Philosophy Quotes
Questions about meaning, existence, and truth from thinkers who spent their lives searching for answers.
43879 quotes
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"Each substance contains within itself the entire universe."Leibniz, Gottfried
"The universe operates according to pre-established harmony."Leibniz, Gottfried
"Every person possesses infinite worth and dignity."Leibniz, Gottfried
"The mind creates reality through perception."Leibniz, Gottfried
"The true skeptic will be diffident of his philosophical doubts as well as of his philosophical convictions."Hume, David
"I am nothing but a bundle of perceptions."Hume, David
"The prevalence of the mechanical philosophy came later, but by the time of Hume it had become the dominant intellectual force."Hume, David
"I never asserted so absurd an opinion as that anything might arise without a cause."Hume, David
"The mind, when it turns its view inward, perceives nothing but its own perceptions."Hume, David
"The errors in religion are dangerous; those in philosophy only ridiculous."Hume, David
"There is a natural progression from ignorance to superstition to philosophy."Hume, David
"The mind is a kind of theater where perceptions make their appearance in continual flux and movement."Hume, David
"I am, I exist, is necessarily true whenever it is put forward by me or conceived in my mind."Descartes, René
"One cannot conceive anything so strange and so implausible that it has not already been said by one philosopher or another."Descartes, René
"I am thinking, therefore I exist."Descartes, René
"There is nothing so absurd that some philosopher has not said it."Descartes, René
"The mind creates a narrative to explain its perceptions."Descartes, René
"Each thought is a journey."Descartes, René
"The mind is everything; what you think is what you become."Descartes, René
"I have always thought the actions of men the best interpreters of their thoughts."Locke, John
"There cannot any one moral rule be proposed whereof a man may not justly demand a reason."Locke, John
"Our business here is not to know all things, but those which concern our conduct."Locke, John
"The object of all knowledge is truth and peace."Locke, John
"Men are not born with the idea of God in their minds."Locke, John
"Philosophy without practice is like a beautiful garden without fruit."Al-Ghazali
"The philosopher seeks truth; the wise person applies it."Al-Ghazali
"The observer and the observed are never truly separate."Avicenna
"The body is the instrument through which the soul experiences the world."Avicenna
"Every action has consequences that ripple through time in ways we cannot foresee."Avicenna
"The mind is a mirror; it reflects the clarity or confusion of the soul."Avicenna