Intelligence is a fixed goal with variable means of achieving it.

I am well aware how odd it must seem to some of you to hear me say that an idea is true so long as to believe it is profitable to our lives

You can be an artist without visual images, a reader without eyes, a mass of erudition with a bad elementary memory. In almost any subject your passion for the subject will save you. If you only care enough for a result, you will almost certainly attain it. If you wish to be rich, you will be rich; if you wish to be learned, you will be learned; if you wish to be good, you will be good. Only you must, then, really wish these things, and wish them with exclusiveness, and not wish at the same time a hundred other incompatible things just as strongly.

Materialism means simply the denial that the moral order is eternal, and the cutting off of ultimate hopes; spiritualism means theaffirmation of an eternal moral order and the letting loose of hope.

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 general law is that no mental modification ever occurs which is not accompanied or followed by a bodily change.

There is nothing so absurd that it cannot be believed as truth if repeated often enough.