Knowledge is only potential power. It becomes power only when, and if, it is organized into definite plans of action, and directed to a definite end.

Thought is the most highly organized form of energy known to man.

Habits are first cobwebs, then cables.

Every time you change your orders without obvious reason, you weaken your authority.

Persistence is to the character of man as carbon is to steel.

The jack-of-all-trades seldom is good at any. Concentrate all of your efforts on one definite chief aim.

Tell the world what you intend to do, but first show it.