The day science begins to study non-physical phenomena, it will make more progress in one decade than in all the previous centuries of its existence.

The role of the artist is to ask questions, not answer them.

You cannot change your destination overnight, but you can change your direction overnight

Success is going from failure to failure without loss of enthusiasm.

It is a cursed evil to any man to become as absorbed in any subject as I am in mine

I'm a slow walker, but I never walk back.

If your business is only to sweep a crossing, remember it is your duty to make that crossing the best swept of the world.

'To Start Press Any Key'. Where's the ANY key?

The way to get started is to quit talking and begin doing.

The finest task for an Engineer – to survey, to plan, to suggest resources and material, assemble them for task in hand, implement and produce results.

Lisa, if you don't like your job you don't strike. You just go in every day and do it really half-assed. That's the American way.

When asked, 'How do you write?' I invariably answer, 'one word at a time.'

Only you can control your future.

I don't like that man. I must get to know him better.

He who will not economize will have to agonize.

Tell the audience what you're going to say, say it; then tell them what you've said.

Success comes to those who become success conscious. Failure comes to those who indifferently allow themselves to become failure conscious.

When things go wrong don't go with them

This is the real secret of life - to be completely engaged with what you are doing in the here and now. And instead of calling it work, realize it is play.

You can only become truly accomplished at something you love. Dont make money your goal. Instead pursue the things you love doing and then do them so well that people cant take their eyes off of you.

A good idea is never lost. Even though its originator or possessor may die without publicizing it, it will someday be reborn in the mind of another....