If you wish to be happy yourself, you must resign yourself to seeing others also happy.

So far I have been speaking of theoretical science, which is an attempt to understand the world. Practical science, which is an attempt to change the world, has been important from the first, and has continually increased in importance, until it has almost ousted theoretical science from men's thoughts.

Nine-tenths of the activities of a modern Government are harmful; therefore the worse they are performed, the better.

If all our happiness is bound up entirely in our personal circumstances it is difficult not to demand of life more than it has to give.

Love is something far more than desire for sexual intercourse; it is the principal means of escape from the loneliness which afflicts most men and women throughout the greater part of their lives.

One must care about a world one will not see.

The pleasure of work is open to anyone who can develop some specialised skill, provided that he can get satisfaction from the exercise of his skill without demanding universal applause.