How was I able to live alone before, my little everything? Without you I lack self-confidence, passion for work, and enjoyment of life--in short, without you, my life is no life. [Written to his wife, Mileva]

One must take what nature gives as one finds it.

There is no place in this new kind of physics both for the field and matter, for the field is the only reality.

Dear Posterity, If you have not become more just, more peaceful, and in general more sensible... then may the Devil take you!

Play is the highest from of research.

Be a loner. That gives you time to wonder.

Manager solves problems, leader prevents them.