The God of many men is little more than their court of appeal against the damnatory judgment passed on their failures by the opinion of the world.

The first lecture in psychology that I ever heard was the first I ever gave.

The history of philosophy is to a great extent that of a certain clash of human temperaments.

The highest flights of charity, devotion, trust, patience, bravery to which the wings of human nature have spread themselves, have been flown for religious ideals.

It is only in the lonely emergencies of life that our creed is tested: then routine maxims fail, and we fall back on our gods.

There is but one unconditional commandment ... to bring about the very largest total universe of good which we can see.

The greatest discovery of the 20th Century is that our attitude of mind determines our quality of life, not circumstances.