Quotes by Albert Einstein

The hardest thing to understand in the world is the income tax.

The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.

As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality.

If only I had known, I would have been a locksmith.

Everything should be made as simple as possible -- but no simpler!

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

You cannot simultaneously prepare for and prevent war.