A life directed chiefly toward the fulfillment of personal desires will sooner or later always lead to bitter disappointment.

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!

In a sailboat I become oblivious to everything else in the world.

A life directed chiefly toward the fulfillment of personal desires will sooner or later always lead to bitter disappointment.

A brave man, whose only fault was being a woman.

It followed from the special theory of relativity that mass and energy are both but different manifestations of the same thing - a somewhat unfamiliar conception for the average mind. Furthermore, the equation E = mc², in which energy is put equal to mass, multiplied by the square of the velocity of light, showed that very small amounts of mass may be converted into a very large amount of energy and vice versa.

The state is made for man, not man for the state.... That is to say, the state should be our servant and not we its slaves