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.

Thinking is hard work, which is why so few people do it.

No two men are just alike. Every new life is a new thing under the sun; there has never been anything like it before, and never will be again.

Any man can learn anything he will, but no man can teach except to those who want to learn.

Time waste differs from material waste in that there can be no salvage. The easiest of all wastes and the hardest to correct is the waste of time, because wasted time does not litter the floor like wasted material.

The fuel of the future is going to come from fruit like that sumach out by the road, or from apples, weeds, sawdust - almost anything.

The public should always be wondering how it is possible to give so much for the money.