The essence of immorality is the tendency to make an exception of myself.

Young people need pleasure as truly as they need food and air.

It is easy to become the dupe of a deferred purpose, of the promise the future can never keep.

Nothing could be worse than the fear that one had given up too soon, and left one unexpended effort that might have saved the world.

Social advance depends quite as much upon an increase in moral sensibility as it does upon a sense of duty.

It is dreadful the way all the comfortable, happy people stay off to themselves.

The good we secure for ourselves is precarious and uncertain until it is secured for all of us and incorporated into our common life.