If it doesn't add value, it's waste.

Records can be destroyed if they do not suit the prejudices of ruling cliques, lost if they become incomprehensible, distorted if a copyist wishes to impose a new meaning upon them, misunderstood if we lack the information to interpret them. The past is like a huge library, mostly fiction.

Show me who makes a profit from war, and I'll show you how to stop the war.

He who believes he can and he who believes he cannot are both correct.

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.

Under pressure, the mouth speaks when the brain is disengaged, and, sometimes unwittingly, the gearshift is in reverse when it should be in neutral.

You can do anything if you have enthusiasm. Enthusiasm is the yeast that makes your hopes rise to the stars. Enthusiasm is the spark in your eye, the swing in your gait, the grip of your hand, the irresistible surge of your will and your energy to execute your ideas. Enthusiasts are fighters, they have fortitude, they have strong qualities. Enthusiasm is at the bottom of all progress. With it there is accomplishment. Without it there are only alibis.