Truth Quotes

What is truth? These quotes explore honesty, reality, and the courage it takes to face both.

40912 quotes

F
"Logic cannot be other than it is."
Frege, Gottlob
F
"We are all bound by the laws of thought."
Frege, Gottlob
F
"A thought grasps a truth or grasps a falsehood."
Frege, Gottlob
F
"Truth is neither created nor discovered; it simply is."
Frege, Gottlob
W
"There are no whole truths; all truths are half-truths. It is trying to treat them as whole truths that plays the devil."
Whitehead, Alfred North
W
"The absolute is only achieved by the removal of contradictions."
Whitehead, Alfred North
W
"The world is at variance with itself."
Whitehead, Alfred North
P
"There is no absolute knowledge. All knowledge is, in the nature of things, only a working hypothesis."
Poincaré, Henri
P
"Method is less important than sincerity and goodwill in the pursuit of truth."
Poincaré, Henri
P
"The truest and deepest discoveries are often the simplest."
Poincaré, Henri
P
"Convention is not enemy to truth; it is the framework in which truth lives."
Poincaré, Henri
W
"The pursuit of mathematical elegance is the pursuit of truth itself."
Weyl, Hermann
W
"Mathematical beauty is not decoration but the signature of truth."
Weyl, Hermann
W
"Reality is not what we perceive, but what mathematics reveals."
Weyl, Hermann
W
"Mathematical truth is eternal; it transcends culture and time."
Weyl, Hermann
W
"Invariance under transformation is the mark of true physical law."
Weyl, Hermann
W
"The structure of mathematics mirrors the structure of the universe."
Weyl, Hermann
W
"Mathematical proof is the only absolute certainty available to humans."
Weyl, Hermann
W
"Man can embody truth and he can embody error, but he cannot embody both."
Wigner, Eugene
W
"When the facts change, I change my mind. What do you do?"
Wigner, Eugene
B
"Truth in mathematics is not discovered but constructed by the mind."
Brouwer, Luitzen Egbertus Jan
B
"A theorem is not true unless it can be understood and verified by the human intellect."
Brouwer, Luitzen Egbertus Jan
B
"In rejecting the law of excluded middle, we embrace a deeper truth."
Brouwer, Luitzen Egbertus Jan
B
"To be rigorous is to be honest with ourselves about what we know and do not know."
Brouwer, Luitzen Egbertus Jan
B
"Rigour in mathematics means being precise about the limits of our knowledge."
Brouwer, Luitzen Egbertus Jan
B
"To question the foundations is to honor the pursuit of truth."
Brouwer, Luitzen Egbertus Jan
H
"Mathematical truths are discovered, not invented."
Hilbert, David
H
"Axioms are not truths, but the starting points from which all other truths must be derived."
Hilbert, David
H
"To understand geometry is to understand the basic structure of reality itself."
Hilbert, David
H
"Mathematics does not deceive; it is language itself that can mislead us."
Hilbert, David