God casts the die, not the dice.

You ask me if I keep a notebook to record my great ideas. I've only ever had one.

Only a monomaniac gets anything done.

The majority of the stupid is invincible and guaranteed for all time. The terror of their tyranny, however, is alleviated by their lack of consistency.

One should not pursue goals that are easily achieved. One must develop an instinct for what one can just barely achieve through one’s greatest efforts.

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]

War cannot be humanized. It can only be abolished.