Men marry women with the hope they will never change. Women marry men with the hope they will change. Invariably they are both disappointed.

I have become an obstinate heretic in the eyes of my colleagues. Momentary success carries more power of conviction than reflections upon principles.

A man should look for what is, and not for what he thinks should be.

There is, however, a somber point in the social outlook of Americans. Their sense of equality and human dignity is mainly limited to people of white skin.... The more I feel like an American, the more the situation pains me.

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]

I believe that we don't need to worry about what happens after this life, as long as we do our duty here-to love and to serve.

People like you and I, though mortal of course like everyone else, do not grow old no matter how long we live.