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....

Take time to deliberate, but when the time for action comes, stop thinking and go in.

Our greatest glory is not in never failing, but in rising up every time we fail.

Thought, backed by strong desire, has a tendency to transmute itself into its physical equivalent.

Don't mistake activity with achievement.

Dad, you've done a lot of great things, but you're a very old man, and old people are useless.

If you aim at nothing, you will hit it every time.

Riches do not respond to wishes. They respond only to definite plans, backed by definite desires, through constant persistence.

We don't know a millionth of one percent about anything.

I'm not the smartest fellow in the world, but I can sure pick smart colleagues.

Thinking is the hardest work there is, which is probably the reason so few engage in it.

The term 'serious actor' is kind of an oxymoron, isn't it? [Like] 'Republican party' [or] 'airplane food'.

If I have ever made any valuable discoveries, it has been due more to patient attention, than to any other talent.

The world does not pay men for that which they 'know'. It pays them for what they do, or induce others to do.

Because ideas have to be original only with regard to their adaptation to the problem at hand, I am always extremely interested in how others have used them...

I don't want to achieve immortality through my work... I want to achieve it through not dying.

Only you can control your future.

Rich people have small TVs and big libraries, and poor people have small libraries and big TVs.

Talent is cheaper than table salt. What separates the talented individual from the successful one is a lot of hard work.

Leadership and learning are indispensable to each other.

Great companies are built on great products.