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

Deadlines just aren't real to me until I'm staring one in the face.

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.

Your most unhappy customers are your greatest source of learning.

Four things for success: work and pray, think and believe.

To copy others is necessary, but to copy oneself is pathetic

Please all, and you will please none.

It's fine to celebrate success but it is more important to heed the lessons of failure.

Why, look at me. I've worked my way up from nothing to a state of extreme poverty.

The successful leader must be willing to assume responsibility for the mistakes and the shortcomings of his followers.

You reach a point where you don't work for money.

It’s not about what it is, it’s about what it can become.

To be clever enough to get all that money, one must be stupid enough to want it.

The whole secret of a successful life is to find out what is one's destiny to do, and then do it.

Personally, I enjoy working about 18 hours a day. Besides the short catnaps I take each day, I average about four to five hours of sleep per night.

Find out what you really love to do, and then find a way to make a good living doing it.

Without a humble but reasonable confidence in your own powers you cannot be successful or happy.

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

People refuse to take chances in business, because they fear the criticism which may follow if they fail.

Earning happiness means doing good and working, not speculating and being lazy. Laziness may look inviting, but only work gives you true satisfaction.

For a man to conquer himself is the first and noblest of all victories.