Why use up the forests which were centuries in the making and the mines which required ages to lay down, if we can get the equivalent of forest and mineral products in the annual growth of the hemp fields?

An imitation may be quite successful in its own way, but imitation can never be Success. Success is a first-hand creation.

There are three things that grow more precious with age; old wood to burn, old books to read, and old friends to enjoy.

Whatever you resist will persist.

If there is one thing I would banish from earth, it is fear. And the only way to do that is to see that there is nothing to fear - nothing in all of life to be afraid of.

Many people are busy trying to find better ways of doing things that should not have to be done at all. There is no progress in merely finding a better way to do a useless thing.

I invented nothing new. I simply combined the inventions of others into a car. Had I worked fifty or ten or even five years before, I would have failed.