No man really becomes a fool until he stops asking questions.

The mercury light doesn't show red. It makes the blood in your skin look blue-black. But see how splendidly it brings out the green in the plants.

Money is a stupid measure of achievement, but unfortunately it is the only universal measure we have.

Marking dynamos for repair $10,000.00-2 hours labor $10.00; knowing where to mark $9,990.00.

The most important advance in the next fifty years will be in the realm of the spiritual - dealing with the spirit of thought.

No evidence or proof of the existence of a God has been found in the phenomena of nature, based on experience.

I have succeeded in getting my actual work down to thirty minutes a day. That leaves me eighteen hours for engineering.

Electricity is doing for the distribution of energy what the railroads have done for the distribution of materials.

There are no foolish questions and no man becomes a fool until he has stopped asking questions.

I don’t know what it means to live.

Mental health is usually the last place people go when they think about someone being sick.

A devil - "A power that lives against its life

Whether you are running a business, an industry, or a nation - what is needed are insight, integrity, and inspiration.

Socialism never took root in America because the poor see themselves not as an exploited proletariat but as temporarily embarrassed millionaires.

The problem is that the right doesn't need any ideas to govern, but the left can't govern without ideas.

The language of solace, and comets, and the girls we all become, in the end.

[The Jews have] an attitude of hostility and hatred towards all others.