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.

Nationalism, on my opinion, is nothing more than an idealistic rationalization for militarism and aggression.

No one must think that Newton’s great creation can be overthrown in any real sense by this [Theory of Relativity] or by any other theory. His clear and wide ideas will for ever retain their significance as the foundation on which our modern conceptions of physics have been built.

The faster you go, the shorter you are.

Peace cannot be kept by force. It can only be achieved by understanding. You cannot subjugate a nation forcibly unless you wipe out every man, woman, and child. Unless you wish to use such drastic measures, you must find a way of settling your disputes without resort to arms.

The same thinking that has led you to where you are is not going to lead you to where you want to go.

Hunger, love, pain, fear are some of those inner forces which rule the individual's instinct for self preservation.