Here’s a list of 100 philosophical quotes that offer wisdom and guidance for humanity to contemplate and incorporate into their lives:

1. “Know thyself.” – Socrates
2. “The only true wisdom is in knowing you know nothing.” – Socrates
3. “The unexamined life is not worth living.” – Socrates
4. “Happiness is the highest good.” – Aristotle
5. “We are what we repeatedly do. Excellence, then, is not an act, but a habit.” – Aristotle
6. “The mind is everything. What you think, you become.” – Buddha
7. “The only way to do great work is to love what you do.” – Steve Jobs
8. “The unselfish effort to bring cheer to others will be the beginning of a happier life for ourselves.” – Helen Keller
9. “In the end, we will remember not the words of our enemies, but the silence of our friends.” – Martin Luther King Jr.
10. “The only thing necessary for the triumph of evil is for good people to do nothing.” – Edmund Burke
11. “The only thing I know is that I know nothing.” – Socrates
12. “We are all atheists about most of the gods humanity has ever believed in. Some of us just go one god further.” – Richard Dawkins
13. “We are what we pretend to be, so we must be careful about what we pretend to be.” – Kurt Vonnegut
14. “Believe those who are seeking the truth. Doubt those who find it.” – André Gide
15. “The greatest glory in living lies not in never falling, but in rising every time we fall.” – Nelson Mandela
16. “I think therefore I am.” – René Descartes
17. “You have power over your mind, not outside events. Realize this, and you will find strength.” – Marcus Aurelius
18. “I have learned over the years that when one’s mind is made up, this diminishes fear.” – Rosa Parks
19. “The only limit to our realization of tomorrow will be our doubts of today.” – Franklin D. Roosevelt
20. “Education is the most powerful weapon which you can use to change the world.” – Nelson Mandela
21. “The best way to predict your future is to create it.” – Peter Drucker
22. “It is the mark of an educated mind to be able to entertain a thought without accepting it.” – Aristotle
23. “The measure of who we are is what we do with what we have.” – Vince Lombardi
24. “The secret of change is to focus all of your energy, not on fighting the old, but on building the new.” – Socrates
25. “We must be willing to let go of the life we planned so as to have the life that is waiting for us.” – Joseph Campbell
26. “Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.” – Albert Schweitzer
27. “The only source of knowledge is experience.” – Albert Einstein
28. “It does not matter how slowly you go as long as you do not stop.” – Confucius
29. “The first step toward success is taken when you refuse to be a captive of the environment in which you first find yourself.” – Mark Caine
30. “The only way to have a friend is to be one.” – Ralph Waldo Emerson
31. “All that we are is the result of what we have thought.” – Buddha
32. “What we think, we become.” – Buddha
33. “The greatest wealth is to live content with little.” – Plato
34. “I think, therefore I am.” – René Descartes
35. “The more I read, the more I acquire, the more certain I am that I know nothing.” – Voltaire
36. “Where there is love, there is life.” – Mahatma Gandhi
37. “The true sign of intelligence is not knowledge, but imagination.” – Albert Einstein
38. “Our prime purpose in this life is to help others. And if you can’t help them, at least don’t hurt them.” – Dalai Lama
39. “The only thing standing between you and your goal is the story you keep telling yourself as to why you can’t achieve it.” – Jordan Belfort
40. “The world is full of magic things, patiently waiting for our senses to grow sharper.” – W.B. Yeats
41. “You must be the change you wish to see in the world.” – Mahatma Gandhi
42. “To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment.” – Ralph Waldo Emerson
43. “Life is 10% what happens to us and 90% how we react to it.” – Charles R. Swindoll
44. “It is not death that a man should fear, but he should fear never beginning to live.” – Marcus Aurelius
45. “The best revenge is to be unlike him who performed the injury.” – Marcus Aurelius
46. “You miss 100% of the shots you don’t take.” – Wayne Gretzky
47. “In three words, I can sum up everything I’ve learned about life: it goes on.” – Robert Frost
48. “The only true way to deal with our fears is to face them.” – J.K. Rowling
49. “Life isn’t about waiting for the storm to pass; it’s about learning to dance in the rain.” – Vivian Greene
50. “To live is the rarest thing in the world. Most people exist, that is all.” – Oscar Wilde
51. “Success is not final, failure is not fatal: It is the courage to continue that counts.” – Winston Churchill
52. “The happiness of your life depends upon the quality of your thoughts.” – Marcus Aurelius
53. “The greatest danger for most of us is not that our aim is too high and we miss it, but that it is too low and we reach it.” – Michelangelo
54. “I would rather die of passion than of boredom.” – Vincent van Gogh
55. “It is not enough to have a good mind; the main thing is to use it well.” – René Descartes
56. “To find yourself, think for yourself.” – Socrates
57. “If you don’t stand for something, you will fall for anything.” – Malcolm X
58. “Be kind, for everyone you meet is fighting a harder battle.” – Plato
59. “The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.” – Stephen Hawking
60. “Don’t gain the world and lose your soul; wisdom is better than silver or gold.” – Bob Marley
61. “The true value of a human being is determined by the measure and the sense in which they have obtained liberation from the self.” – Albert Einstein
62. “The only thing worse than being blind is having sight but no vision.” – Helen Keller
63. “We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of thelight.” – Plato
64. “Your time is limited, don’t waste it living someone else’s life.” – Steve Jobs
65. “The only person you are destined to become is the person you decide to be.” – Ralph Waldo Emerson
66. “The greatest gift you can give someone is your time because when you give your time, you are giving a portion of your life that you will never get back.” – Anonymous
67. “Life is not measured by the number of breaths we take, but by the moments that take our breath away.” – Maya Angelou
68. “The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.” – Ralph Waldo Emerson
69. “In the middle of difficulty lies opportunity.” – Albert Einstein
70. “The only limit to our realization of tomorrow will be our doubts of today.” – Franklin D. Roosevelt
71. “To love oneself is the beginning of a lifelong romance.” – Oscar Wilde
72. “The biggest adventure you can take is to live the life of your dreams.” – Oprah Winfrey
73. “You have within you right now, everything you need to deal with whatever the world can throw at you.” – Brian Tracy
74. “Don’t judge each day by the harvest you reap but by the seeds that you plant.” – Robert Louis Stevenson
75. “The truth will set you free, but first, it will piss you off.” – Gloria Steinem
76. “If you want to go fast, go alone. If you want to go far, go together.” – African Proverb
77. “Don’t let yesterday take up too much of today.” – Will Rogers
78. “Life shrinks or expands in proportion to one’s courage.” – Anaïs Nin
79. “Do what you can, with what you have, where you are.” – Theodore Roosevelt
80. “The best and most beautiful things in the world cannot be seen or even touched – they must be felt with the heart.” – Helen Keller
81. “A journey of a thousand miles begins with a single step.” – Lao Tzu
82. “Life is not about waiting for the storm to pass but learning to dance in the rain.” – Vivian Greene
83. “Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.” – Albert Schweitzer
84. “The future belongs to those who believe in the beauty of their dreams.” – Eleanor Roosevelt
85. “The only way to do great work is to love what you do.” – Steve Jobs
86. “The best way to predict the future is to create it.” – Peter Drucker
87. “The more you know, the less you need.” – Yvon Chouinard
88. “The meaning of life is to give life meaning.” – Ken Hudgins
89. “You are never too old to set another goal or to dream a new dream.” – C.S. Lewis
90. “Success is not the absence of failure; it’s the persistence through failure.” – Aisha Tyler
91. “Your time is limited, don’t waste it living someone else’s life.” – Steve Jobs
92. “The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.” – Ralph Waldo Emerson
93. “The greatest pleasure in life is doing what people say you cannot do.” – Walter Bagehot
94. “Life is 10% what happens to us and 90% how we react to it.” – Charles R. Swindoll
95. “The best way out is always through.” – Robert Frost
96. “Life is what happens when you’re busy making other plans.” – John Lennon
97. “Don’t count the days, make the days count.” – Muhammad Ali
98. “The only thing standing between you and your goal is the story you keep telling yourself as to why you can’t achieve it.” – Jordan Belfort
99. “Life is either a daring adventure or nothing at all.” – Helen Keller
100. “You have power over your mind, not outside events. Realize this, and you will find strength.” – Marcus Aurelius

These quotes encompass various aspects of life, ethics, purpose, and self-discovery. They serve as reminders and inspirations for humanity to reflect upon and integrate into their lives.