As a cure for worrying, work is better than whiskey.

Just because something doesn't do what you planned it to do doesn't mean it's useless.

Many of life's failures are people who did not realize how close they were to success when they gave up.

Nonviolence leads to the highest ethics, which is the goal of all evolution. Until we stop harming all living beings, we are all savages.

Non-violence leads to the highest ethics, which is the goal of all evolution. Until we stop harming all other living beings, we are still savages.

Opportunity is missed by most people because it is dressed in overalls and looks like work.

Restlessness and discontent are the first necessities of progress.

There ain't no rules around here. We're trying to accomplish something.

To invent, you need a good imagination and a pile of junk.

Until man duplicates a blade of grass, nature can laugh at his so-called scientific knowledge. Remedies from chemicals will never stand in favour compared with the products of nature, the living cell of the plant, the final result of the rays of the sun, the mother of all life.

What man's mind can create, man's character can control.