Philosophy Quotes
Questions about meaning, existence, and truth from thinkers who spent their lives searching for answers.
43879 quotes
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"I am the cause of my own thoughts."Descartes, René
"The mind is a substance independent of matter."Descartes, René
"The soul is one hundred percent of a human being."Descartes, René
"Each substance thinks or is extended."Descartes, René
"The human soul, though it exists in intimate association with the body, is not the less independent in its essence."Descartes, René
"By applying reason to one's own existence, one can transcend the limitations of the physical world."Descartes, René
"Materialism is the belief that nothing exists but matter and motion."Descartes, René
"Metaphysics is the science of possibilities."Leibniz, Gottfried
"Each substance expresses the whole universe in its own way."Leibniz, Gottfried
"Nothing happens without a sufficient reason."Leibniz, Gottfried
"The greatest minds are capable of the greatest vices and the greatest virtues."Leibniz, Gottfried
"Consciousness is the ultimate mystery."Leibniz, Gottfried
"Every mind is a universe unto itself."Leibniz, Gottfried
"The best of all possible worlds contains both good and evil."Leibniz, Gottfried
"The fundamental principle of all things is substance."Leibniz, Gottfried
"We are all links in an infinite chain of cause and effect."Leibniz, Gottfried
"The body is the expression of the soul."Leibniz, Gottfried
"Language is the mirror of the mind."Leibniz, Gottfried
"The purpose of philosophy is to understand the nature of reality."Leibniz, Gottfried
"Life is a series of perspectives, each valid from its own point of view."Leibniz, Gottfried
"The world is made of infinite substance, each reflecting all others."Leibniz, Gottfried
"Everything that exists has a reason for its existence."Leibniz, Gottfried
"The infinite and the finite are two aspects of the same reality."Leibniz, Gottfried
"Such is the nature of man that no one attribute can be said to be evidently predominant or supreme."Locke, John
"There cannot any one moral rule be proposed whereof a man may not justly demand a reason."Locke, John
"The art of thinking is the most useful art."Locke, John
"The prejudices of men are formed from the example of their parents."Locke, John
"To require agreement on all points is to require uniformity where diversity should reign."Locke, John
"In the state of nature, there is no injustice, for injustice is the absence of law."Locke, John
"The wise person does not give the right answer; he poses the right question."Al-Ghazali