Philosophy Quotes

Questions about meaning, existence, and truth from thinkers who spent their lives searching for answers.

43879 quotes

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"We are stardust seeking to understand itself."
Johannes Kepler
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"In seeking to understand the heavens, we come to understand ourselves."
Johannes Kepler
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"The structure of mathematics reflects the structure of reality itself."
Leonhard Euler
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"Every answer in mathematics births ten new questions."
Leonhard Euler
R
"I think, therefore I am."
René Descartes
R
"One cannot conceive anything so strange and so implausible that it has not already been said by one philosopher or another."
René Descartes
R
"I am thinking, therefore I exist."
René Descartes
R
"Life consists of the search for the true nature of all things."
René Descartes
R
"Consciousness is the primary ground."
René Descartes
R
"The measure of all things is human reason."
René Descartes
R
"Matter and mind are two substances which are eternally separate."
René Descartes
R
"The soul is the seat of consciousness and reason."
René Descartes
C
"To understand the world, one must first understand motion."
Christiaan Huygens
C
"Philosophy is the pursuit of ultimate truth."
Christiaan Huygens
G
"Perfection belongs to the Divine alone."
Gottfried Leibniz
G
"Nothing happens without a reason; everything has a cause."
Gottfried Leibniz
G
"Every substance is individual and has its own law."
Gottfried Leibniz
G
"All things tend toward their natural perfection."
Gottfried Leibniz
G
"Differences drive the machine of the universe."
Gottfried Leibniz
G
"Evil is the absence of good, not a positive force."
Gottfried Leibniz
G
"Monadology reveals the true nature of reality."
Gottfried Leibniz
G
"The eternal recurrence of monads creates the fabric of reality."
Gottfried Leibniz
G
"The mind and body are pre-established in harmony."
Gottfried Leibniz
G
"Every small thing reflects the pattern of the whole."
Gottfried Leibniz
C
"To understand one's place in the cosmos requires understanding the mathematics that governs it."
Carl Friedrich Gauss
C
"Thought without action is meaningless; action without thought is reckless."
Carl Friedrich Gauss
C
"Numbers are the essence of all things; understand numbers and you understand the universe."
Carl Friedrich Gauss
C
"To be a mathematician is to be a discoverer of eternal truths that would be true even without us."
Carl Friedrich Gauss
C
"The struggle to understand is the struggle to be fully human."
Carl Friedrich Gauss
"Geometry will draw the soul toward truth and create the spirit of philosophy."
Euclid