The more you are in this business, the more humbled by it you become.

If you are the master be sometimes blind, if you are the servant be sometimes deaf.

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.

The superior man understands what is right; the inferior man understands what will sell.

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

You've got to be very careful if you don't know where you're going, because you might not get there.

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

Speak softly and carry a big stick; you will go far.

To solve any problem, here are three questions to ask yourself: First, what could I do? Second, what could I read? And third, who could I ask?

The best of artists has no conception that the marble alone does not contain within itself.

Don't mistake activity with achievement.

It is no use saying 'we are doing our best.' You have got to succeed in doing what is necessary.

If you are five minutes early, you are already ten minutes late.

What I cannot create, I do not understand.

I have far more respect for the person with a single idea who gets there than for the person with a thousand ideas who does nothing

Nothing will work unless you do.

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

Boredom is one of the most blissful feelings.

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

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.

Percentages are why I am rich.