So long as there are men, there will be wars.

The only mistake in life is the lesson not learned.

The question that drives me hazy is whether it is I or others who is crazy.

The beauty of it is that we have to content ourselves with the recognition of the miracle, beyond which there is no legitimate way out.

I am exclusively occupied with the problem of gravitation and hope with the help of a local mathematician friend [Marcel Grossman] to overcome all the difficulties. One thing is certain, however, that never in life have I been quite so tormented. A great respect for mathematics has been instilled within me, the subtler aspects of which, in my stupidity, I regarded until now as pure luxury.

artificial intellegance is no match for natural stupidity

Imagination is the highest form of research.