The most natively interesting object to a man is his own personal self and its fortunes. We accordingly see that the moment a thing becomes connected with the fortunes of the self, it forthwith becomes an interesting thing.

The soul is stronger than its surroundings.

Our faith is faith in someone else's faith, and in the greatest matters this is most the case.

The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.

True ideas are those that we can assimilate, validate, corroborate, and verify. False ideas are those that we cannot. That is the practical difference it makes to us to have true ideas; that therefore is the meaning of truth, for it is all that truth is known as.

Let everything you do be done as if it makes a difference.

It is so human a book that I don't see how belief in its divine authority can survive the reading of it.