I have tried to read philosophers of all ages and have found many illuminating ideas but no steady progress toward deeper knowledge and understanding….

The belief that there is only one truth and that oneself is in possession of it seems to me the deepest root of all evil that is in the world..

No language which lends itself to visualizability can describe quantum jumps..

It is odd to think that there is a word for something which, strictly speaking, does not exist, namely, "rest." We distinguish between living and dea….

I believe that ideas such as absolute certitude, absolute exactness, final truth, etc. are figments of the imagination which should not be admissible….

We need to make a world in which fewer children are born, and in which we take better care of them..

Something which is against natural laws seems to me rather out of the question because it would be a depressive idea about God. It would make God sma….

Science is not formal logic-it needs the free play of the mind in as great a degree as any other creative art. It is true that this is a gift which c….

Physics as we know it will be over in six months..

There are two objectionable types of believers: those who believe the incredible and those who believe that 'belief' must be discarded and replaced b….

It is true that many scientists are not philosophically minded and have hitherto shown much skill and ingenuity but little wisdom..

Those who say that the study of science makes a man an atheist, must be rather silly people..

Science?is so greatly opposed to history and tradition that it cannot be absorbed by our civilization..

We have sought for firm ground and found none. The deeper we penetrate, the more restless becomes the universe; all is rushing about and vibrating i….

All attempts to adapt our ethical code to our situation in the technological age have failed..

If alpha [the fine-structure constant] were bigger than it really is, we should not be able to distinguish matter from ether [the vacuum, nothingness….

I am now convinced that theoretical physics is actually philosophy..

Intellect distinguishes between the possible and the impossible; reason distinguishes between the sensible and the senseless. Even the possible can b….

I believe there is no philosophical high-road in science, with epistemological signposts. No, we are in a jungle and find our way by trial and error,….

The belief in a single truth is the root cause for all evil in the world..

But in practical affairs, particularly in politics, men are needed who combine human experience and interest in human relations with a knowledge of s….