All the higher, more penetrating ideals are revolutionary. They present themselves far less in the guise of effects of past experience than in that of probable causes of future experience, factors to which the environment and the lessons it has so far taught us must learn to bend.

One of the greatest discoveries of our time is that a man can alter the state of their life by altering the state of their mind.

Habit is the great flywheel of society.

For the moment, what we attend to is reality.

We are mere bundles of habits.

I don't sing because I'm happy; I'm happy because I sing.

Let sanguine healthy-mindedness do its best with its strange power of living in the moment and ignoring and forgetting, still the evil background is really there to be thought of, and the skull will grin in at the banquet.