The sceptic will say, 'It may well be true that this system of equations is reasonable from a logical standpoint, but this does not prove that it corresponds to nature.' You are right, dear sceptic. Experience alone can decide on truth.

God doesn't; shoot crap with the universe.Your innermost thoughts are beliefs that unfold as your universe.

This is too difficult for a mathematician. It takes a philosopher. The hardest thing in the world to understand is the income tax.

A great thought begins by seeing something differently, with a shift of the mind's eye.

The only thing we can be certain of in this life is that we can be certain of nothing.

A society's competitive advantage will come not from how well its schools teach the multiplication and periodic tables, but from how well they stimulate imagination and creativity.

I soon learned to scent out that which was able to lead to fundamentals and to turn aside from everything else, from the multitude of things which clutter up the mind and divert it from the essential.