Orthodoxy is the grave of intelligence, no matter what orthodoxy it may be.

One is often told that it is a very wrong thing to attack religion, because religion makes men virtuous. So I am told; I have not noticed it.

Philosophy, though unable to tell us with certainty what is the true answer to the doubts which it raises, is able to suggest many possibilities which enlarge our thoughts and free them from the tyranny of custom.

Most human beings, though in varying degrees, desire to control, not only their own lives but also the lives of others

To be without some of the things you want is an indispensable part of happiness.

It is not my prayer and humility that you cause things to go as you wish, but by acquiring a knowledge of natural laws.

The really useful education is that which follows the direction of the child's own instinctive interests, supplying knowledge for which it is seeking, not dry, detailed information wholly out of relation to its spontaneous desires.