Relativity teaches us the connection between the different descriptions of one and the same reality.

By an application of the theory of relativity to the taste of readers, today in Germany I am called a German man of science, and in England I am represented as a Swiss Jew. If I come to be represented as a bête noire, the descriptions will be reversed, and I shall become a Swiss Jew for the Germans and a German man of science for the English!

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.

The next world war will be fought with stones.

The future is of greater interest to me than the past, since that is where I intend to spend the rest of my life.

Everything that exists in your life, does so because of two things: something you did or something you didn't do.

It was the experience of mystery - even if mixed with fear - that engendered religion.