The epitaphs on tombstones of a great many people should read: Died at thirty, and buried at sixty.

I divide the world into three Classes - The few who make things happen, the many who watch things happen, the overwhelming majority who have no notion of what happens.

Optimism is the foundation of courage.

The limited liability corporation is the greatest single invention of modern times.

Those people who think only of themselves, are hopelessly uneducated. They are not educated, no matter how instructed they may be.

Persecution on racial and religious grounds has absolutely no place in a nation given over to liberty.

The youth of today and the youth of tomorrow will be accorded an almost unequaled opportunity for great accomplishment and for human service.

Modern mathematics, that most astounding of intellectual creations, has projected the mind's eye through infinite time and the mind's hand into boundless space.

Cherish yesterday. dream tomorrow, live like crazy today!!

There are many things that go to make up an education, but there are just two things without which no man can ever hope to have an education and these two things are character and good manners.

Time was invented by the Almighty God in order to give ideas a chance.

He plays the same game, but for the first time in his life he is truly playing, rather than working, being a human, and this is a vast distinction realized by few.

In the marathon of life negativity is never as light-footed as a dreamer's sprint.

See any detour as an opportunity to experience new things.

It is not easy to see how the more extreme forms of nationalism can long survive when men have seen the Earth in its true perspective as a single small globe against the stars.

We all need ways to express ourselves, and poetry is one of mine.

Don't be afraid to stumble. Any inventor will tell you that you don't follow a plan far before you strike a snag. If, out of 100 ideas you get one that works, it's enough.

Education is essential to change, for education creates both new wants and the ability to satisfy them.

Designers are not users.

My biggest concern is security and keeping Londoners safe.

Any human love a man gets he can make fill his life. It's like the grain of mustard-seed.