Philosophy Quotes

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

43879 quotes

K
"The concept of human dignity is central to morality."
Kant, Immanuel
K
"The love of wisdom is the beginning of all philosophy."
Kant, Immanuel
K
"Reason must be tested by reason itself."
Kant, Immanuel
K
"The mind actively structures experience according to its own forms."
Kant, Immanuel
S
"Human bondage, its strength and character or, in other words, human impotence in moderating and checking the affects."
Spinoza, Baruch
S
"The individual exists only as a mode under the infinite attributes of God."
Spinoza, Baruch
S
"Nature is a unified whole, with infinite modes and attributes."
Spinoza, Baruch
S
"The mind perceives things under the aspect of eternity."
Spinoza, Baruch
S
"Existence precedes essence and determines all possibility."
Spinoza, Baruch
M
"The foundation of all foundations and the pillar of wisdom is to know that there is a First Being."
Maimonides
H
"Reason is, and ought only to be the slave of the passions."
Hume, David
H
"The mind is a kind of theatre, where several perceptions successively make their appearance."
Hume, David
H
"An Enquiry concerning Human Understanding opens a new light into human nature."
Hume, David
H
"Philosophy would render us entirely Pyrrhonian, were not nature too strong for it."
Hume, David
H
"No passion is, strictly speaking, either morally good or morally bad."
Hume, David
H
"The business of the philosopher is to discover the origin of moral sentiments."
Hume, David
H
"Reason alone is insufficient to motivate any action of the will."
Hume, David
B
"The same principles which at first view lead to skepticism, pursued to a certain point, bring men back to common sense."
Berkeley, George
B
"That neither our thoughts, nor passions, nor ideas formed by imagination, exist without the mind is what everybody will allow."
Berkeley, George
B
"Motion and rest are relative terms."
Berkeley, George
B
"To doubt everything or to believe everything are two equally convenient solutions; both dispense with the necessity of reflection."
Berkeley, George
B
"The real world is the world of ideas."
Berkeley, George
B
"The mind is the measure of reality."
Berkeley, George
D
"I think, therefore I am."
Descartes, René
D
"I am, I exist, is necessarily true whenever it is put forward by me or conceived in my mind."
Descartes, René
D
"Cogito, ergo sum."
Descartes, René
D
"One cannot conceive anything so strange and so implausible that it has not already been said by one philosopher or another."
Descartes, René
D
"It is impossible to doubt our existence while we are thinking."
Descartes, René
D
"Passions are only actions judged as confused rather than clear."
Descartes, René
D
"The universe is a theater of the human spirit."
Descartes, René