External nature is only internal nature writ large.

The thing I lose patience with the most is the clock. Its hands move too fast

There is not such a cradle of democracy upon the earth as the Free Public Library, this republic of letters, where neither rank, office, nor wealth receives the slightest consideration.

They have formed their own 4-H club - the hopeless, hysterical hypochondriacs of history.

Prayer does not change God, but it changes him who prays.

In just six weeks from the time the design was started, we had the motor on the block testing its power.

I want to put a ding in the universe.

Parents can only give good advice or put them on the right paths, but the final forming of a person's character lies in their own hands

If you pick up a starving dog and make him prosperous he will not bite you. This is the principal difference between a dog and man.

The future is something which every one reaches at the rate of sixty minutes an hour, whatever he does, whoever he is.

Will and intellect are one and the same thing.

A mediocre idea that generates enthusiasm will go further than a great idea that inspires no one.

The bat thought I was giving him the kiss of life!

There is no such thing as a Christian child: only a child of Christian parents.

The spirit of man is an inward flame; a lamp the world blows upon but never puts out.

Patriotism is usually stronger than class hatred, and always stronger than internationalism.

Charity ... is the opium of the privileged.

Computers are useless. They can only give you answers.

At the heart of all beauty lies something inhuman.

Pretty much, Apple and Dell are the only ones in this industry making money. They make it by being Wal-Mart. We make it by innovation.

Tradition becomes our security, and when the mind is secure it is in decay.