Our fatigue is often caused not by work, but by worry, frustration and resentment

There is little success where there is little laughter.

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

If you're bored with life, if you don't get up every morning with a burning desire to do things, you don't have enough goals.

You gain strength, courage and confidence by every experience in which you really stop to look fear in the face.... You must do the thing you think you cannot do.

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

Kill my boss? Do I dare live out the American dream?

No one ever is defeated until defeat has been accepted as a reality.

Every action has its pleasures and its price.

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?

Discipline is the bridge between goals and accomplishment.

Either you run the day or the day runs you.

Obstacles are those frightful things you see when you take your eyes off your goals.

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

The majority of people who fail to accumulate money sufficient for their needs are, generally, easily influenced by the opinion of others.

The only 'break' anyone can afford to rely upon is a self-made 'break'.

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

I do know that when I am 60, I should be attempting to achieve different personal goals than those which had priority at age 20.

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

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

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