Albert Einstein

Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.

The road to perdition has ever been accompanied by lip service to an ideal.

An empty stomach is not a good political adviser.

Concern for man and his fate must always form the chief interest of all technical endeavors. Never forget this in the midst of your diagrams and equations.

Once we accept our limits, we go beyond them.

Mozart's music is so pure and beautiful that I see it as a reflection of the inner beauty of the universe.

I am not only a pacifist but a militant pacifist. I am willing to fight for peace. Nothing will end war unless the people themselves refuse to go to war.

Science without religion is lame, religion without science is blind.

As far as I'm concerned, I prefer silent vice to ostentatious virtue.

Isn't it strange that I who have written only unpopular books should be such a popular fellow?

Solitude is painful when one is young, but delightful when one is more mature.

I used to go away for weeks in a state of confusion.