There is fuel in every bit of vegetable matter that can be fermented. There's enough alcohol in one year's yield of an acre of potatoes to drive the machinery necessary to cultivate the fields for a hundred years.

To see a thing clearly in the mind makes it begin to take form.

Obstacles are those frightful things you see when you take your eyes off your goal.

Writing is the only profession where nobody considers you ridiculous if you earn no money. Money is like an arm or a leg; use it or lose it.

You take all the experience and judgment of men over 50 out of the world and there wouldn't be enough left to run it.

A dollar put into a book and a book mastered might change the whole course of a boy's life. It might easily be the beginning of the development of leadership that would carry the boy far in service to his fellow men.

The air is full of ideas. They are knocking you in the head all the time. You only have to know what you want, then forget it, and go about your business. Suddenly, the idea will come through. It was there all the time.