My position concerning God is that of an agnostic.

The wing structure of the hornet, in relation to its weight, is not suitable for flight, but he does not know this and flies anyway.

It has often been said, and certainly not without justification, that the man of science is a poor philosopher.

The really valuable method of thought to arrive at a logically coherent system is intuition.

I am satisfied with the mystery of life's eternity and with a knowledge, a sense, of the marvelous structure of existence - as well as the humble attempt to understand even a tiny portion of the Reason that manifests itself in nature.

My intellectual development was retarded, as a result of which I began to wonder about space and time only when I had already grown up.

Lasting harmony with a woman (was) an undertaking in which I twice failed rather disgracefully.