It would be better if you began to teach others only after you yourself have learned something.

The normal objective of my thought affords no insight into the dark places of human will and feeling.

A priori one should expect a chaotic world which cannot be grasped by the mind in any way... The kind of order created by Newton's theory of gravitation...is wholly different. Even if the axioms of the theory are proposed by man, the success of such a project presupposes a high degree of ordering of the objective world.... That is the "miracle" which is being constantly reinforced as our knowledge expands.

In scientific thinking are always present elements of poetry. Science and music requires a thought homogeneous.

Epistemology without contact with science becomes an empty scheme. Science without epistemology is-insofar as it is thinkable at all-primitive and muddled.

Our separation from each other is an optical illusion.

The solution to this problem lies in the heart of mankind.