Philosophy Quotes

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

43879 quotes

S
"Consciousness is what binds the universe together."
Schrödinger, Erwin
S
"Consciousness is the bridge between the objective and subjective worlds."
Schrödinger, Erwin
H
"The atoms or elementary particles themselves are not real; they form a world of potentialities."
Heisenberg, Werner
H
"I am now convinced that theoretical physics is actual philosophy."
Heisenberg, Werner
H
"God does not play dice with the universe."
Heisenberg, Werner
H
"I think that modern physics has definitely decided in favor of Plato. In fact, the smallest units of matter are not physical objects in the ordinary sense; they are forms."
Heisenberg, Werner
H
"The scientist only imposes his own thought-forms onto nature."
Heisenberg, Werner
H
"The analysis of the quantum mechanical uncertainty relation is in the tradition of idealistic philosophy."
Heisenberg, Werner
H
"The observer creates reality through his act of observation."
Heisenberg, Werner
H
"The fact that we live in three dimensions might be a fact about the structure of thought."
Heisenberg, Werner
H
"The questions that concern us most are precisely those which science cannot answer."
Heisenberg, Werner
H
"The fact is that all the problems of quantum mechanics vanish when we base ourselves on what is here and now."
Heisenberg, Werner
H
"The division of the world into subject and object, inner world and outer world, is a division suggested by the structure of our bodies."
Heisenberg, Werner
H
"The attempt to describe the role of consciousness in the reduction of the wave function leads to paradoxes."
Heisenberg, Werner
H
"The scientist belongs to a tradition that is sometimes called the tradition of Western rationalism."
Heisenberg, Werner
H
"The world of atoms and elementary particles is a world of possibilities rather than realities."
Heisenberg, Werner
H
"The physicist and the mystic have often arrived at the same truth, though by different paths."
Heisenberg, Werner
H
"We are caught in a web of interactions with the world around us, and our thoughts are not independent of those interactions."
Heisenberg, Werner
B
"The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth."
Bohr, Niels
B
"Language is not only a tool for expression but also a constraint on what can be thought."
Bohr, Niels
B
"We are hanging in mid-air between two clouds, knowing neither their destination nor their origin."
Bohr, Niels
B
"The intuitionist does not accept the axiom of the excluded middle."
Brouwer, Luitzen Egbertus Jan
B
"Mathematics expresses the deepest truths about existence."
Brouwer, Luitzen Egbertus Jan
B
"Mathematics teaches us profound lessons about the nature of reality."
Brouwer, Luitzen Egbertus Jan
B
"The structure of mathematics mirrors the structure of thought."
Brouwer, Luitzen Egbertus Jan
H
"The infinite! No other question has ever moved so profoundly the spirit of man."
Hilbert, David
H
"One must learn to think in abstraction and act in the concrete."
Hilbert, David
H
"Geometry will draw the soul toward truth and create the spirit of philosophy."
Hilbert, David
H
"Mathematics bridges the gap between the possible and the actual."
Hilbert, David
H
"Mathematics is the crystallization of human thought."
Hilbert, David