A world full of happiness is not beyond human power to create; the obstacles imposed by inanimate nature are not insuperable. The real obstacles lie in the heart of man, and the cure for these is a firm hope, informed and fortified by thought.

When all experts agree, you need to watch out.

Sir Arthur Eddington deduces religion from the fact that atoms do not obey the laws of mathematics. Sir James Jeans deduces it from the fact that they do.

A man without a bias cannot write interesting history - if indeed such a man exists.

In all affairs it's a healthy thing now and then to hang a question mark on the things you have long taken for granted.

What men really want is not knowledge but certainty.

But I simply can't stand a view limited to this earth, I feel life is so small unless it has windows into other worlds...I like mathematics largely because it is not human.