Once you can accept the universe as matter expanding into nothing that is something, wearing stripes with plaid comes easy.

The important thing is not to stop questioning.

Intellectuals solve problems; geniuses prevent them.

Only two things are infinite, the universe and human stupidity and I'm not sure about the former.

The difference between genius and stupidity is that genius has its limits.

You do not really understand something unless you can explain it to your grandmother.

It is strange to be known so universally and yet to be so lonely.

When you look at yourself from a universal standpoint, something inside always reminds or informs you that there are bigger and better things to worry about.

The ideals which have lighted my way, and time after time have given me new courage to face life cheerfully, have been Kindness, Beauty, and Truth. The trite subjects of human efforts, possessions, outward success, luxury have always seemed to me contemptible.

My religion consists of a humble admiration of the illimitable superior spirit who reveals himself in the slight details we are able to perceive with our frail and feeble mind.