When you examine the lives of the most influential people who have ever walked among us, you discover one thread that winds through them all. They have been aligned first with their spiritual nature and only then with their physical selves.

Many of the things you can count, don't count. Many of the things you can't count, really count.

If my theory of relativity is proven successful, Germany will claim me as a German and France will declare that I am a citizen of the world. Should my theory prove untrue, France will say that I am a German and Germany will declare that I am a Jew.

Sometimes one pays most for the things one gets for nothing.

The distinctions separating the social classes are false; in the last analysis they rest on force.

It is strange to be known so universally and yet to be so lonely.

Only a life lived in the service to others is worth living.

When a man sits with a pretty girl for an hour, it seems like a minute. But let him sit on a hot stove for a minute, then it's longer than any hour. That's relativity!

Few are those who see with their own eyes and feel with their own hearts.

This is what the painter, the poet, the speculative philosopher, and the natural scientists do, each in his own fashion.