Wisdom Quotes

The best minds across centuries have wrestled with what it means to be wise. These quotes capture their hard-won insights.

64329 quotes

W
"Nature's most profound secrets are hidden in plain sight, waiting for minds prepared to see them."
Wigner, Eugene
W
"The most important discoveries in science often come from challenging the most fundamental assumptions."
Wigner, Eugene
W
"The deepest truths about nature are often the simplest when finally understood."
Wigner, Eugene
W
"The principle of parsimony guides us: the simplest explanation consistent with evidence is usually correct."
Wigner, Eugene
W
"The greatest gift of science is not technology but the expansion of human consciousness."
Wigner, Eugene
W
"The physicist seeks not merely to describe the world but to understand why the world is the way it is."
Wigner, Eugene
H
"The paradox is only a conflict between reality and your feeling of what reality ought to be."
Heisenberg, Werner
H
"Anyone who is not shocked by quantum theory has not understood it."
Heisenberg, Werner
H
"The recognition of the inevitability of contradiction within the whole is the beginning of wisdom."
Heisenberg, Werner
H
"One should as a principle respect the opinion of others, even if it is contrary to one's own belief."
Heisenberg, Werner
P
"Thought is only a flash between two long nights, but this flash is everything."
Poincaré, Henri
P
"To understand is not merely to know, but to apprehend why things are as they are."
Poincaré, Henri
P
"It is far better to foresee even without certainty than not to foresee at all."
Poincaré, Henri
P
"I would rather have a mind opened by wonder than one closed by belief."
Poincaré, Henri
P
"To think is to say no."
Poincaré, Henri
P
"What strikes us is not the great truths, but the forgotten ones."
Poincaré, Henri
P
"The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function."
Poincaré, Henri
P
"To doubt everything or to believe everything are two equally convenient solutions; both dispense with the necessity of reflection."
Poincaré, Henri
P
"Without action, there is no knowledge. Without knowledge, there is no action."
Poincaré, Henri
B
"Prediction is very difficult, especially if it's about the future."
Bohr, Niels
B
"One should as a rule respect public opinion in so far as is necessary to avoid starvation and to prevent one's friends from being shocked."
Bohr, Niels
B
"We cannot know, as a matter of principle, the present in all its details."
Bohr, Niels
B
"The task is not to accumulate more facts but to develop better concepts."
Bohr, Niels
B
"When you get older, you realize there are no answers, only cross-examinations."
Bohr, Niels
B
"The greatest scientific minds maintain a healthy sense of humility about nature's mysteries."
Bohr, Niels
B
"The goal is not to understand nature in the way one understands a simple mechanical problem."
Bohr, Niels
B
"The principle of correspondence ensures that all old ideas still apply in their proper domain."
Bohr, Niels
B
"If you can explain your theory to a farmer, it is probably not right."
Bohr, Niels
B
"In science, as in life, context is everything."
Bohr, Niels
B
"The universe does not reveal its mysteries to those who demand certainty."
Bohr, Niels