The proper method of philosophy consists in clearly conceiving the insoluble problems in all their insolubility and then in simply contemplating them, fixedly and tirelessly, year after year, without any hope, patiently waiting.
Simone Weil
The pursuit of what is true and the practice of what is good are the two most important objects of philosophy.
Voltaire
There are more things in heaven and earth, Horatio, Than are dreamt of in your philosophy
William Shakespeare
The point of philosophy is to start with something so simple as not to seem worth stating, and to end with something so paradoxical that no one will believe it.
Bertrand Russell
What is the first business of philosophy? To part with self-conceit. For it is impossible for anyone to begin to learn what he thinks that he already knows
Epictetus
Philosophy is the stray camel of the faithful; take hold of it wherever ye come across it
Muhammad
Philosophy is not a theory but an activity
Ludwig Wittgenstein
Philosophy, when superficially studied, excites doubt; when thoroughly explored, it dispels it
Francis Bacon
Philosophy is like trying to open a safe with a combination lock: each little adjustment of the dials seems to achieve nothing, only when everything is in place does the door open
Ludwig Wittgenstein
Philosophy is the highest music
Plato
The essence of philosophy is that a man should so live that his happiness shall depend as little as possible on external things
Epictetus
Experience has shown, and a true philosophy will always show, that a vast, perhaps the larger portion of the truth arises from the seemingly irrelevant
Edgar Allan Poe
Just as philosophy is the study of other people's misconceptions, so history is the study of other people's mistakes
Phillip Guedala
Philosophy is the science which considers truth
Aristotle
Let no one delay the study of philosophy while young nor weary of it when old
Epicurus