The ideas gained by men before they are twenty-five are practically the only ideas they shall have in their lives.

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

Every time a resolve or a fine glow of feeling evaporates without bearing practical fruit is worse than a chance lost; it works so as positively to hinder future resolutions and emotions from taking the normal path of discharge.

To improve the golden moment of opportunity, and catch the good that is within our reach, is the great art of life.

There is a voice inside which speaks and says, "This is the real me!"

If you want a quality, act as if you already had it.

If the topic be highly abstract, show its nature by concrete examples. If it be unfamiliar, trace some point of analogy in it with the known. If it be inhuman, make it figure as part of a story. If it be difficult, couple its acquisition with some prospect of personal gain. Above all things, make sure that it shall run through certain inner changes, since no unvarying object can possibly hold the mental field for long.