Don't mistake activity with achievement.

I believe that anyone can conquer fear by doing the things he fears to do, provided he keeps doing them until he gets a record of successful experiences behind him.

There is but one dependable method of accumulating and legally holding riches, and that is by rendering useful service.

One must be sane to think clearly, but one can think deeply and be quite insane.

Don't be afraid to give your best to what seemingly are small jobs. Every time you conquer one it makes you that much stronger. If you do the little jobs well, the big ones will tend to take care of themselves.

Well done is better than well said.

Opportunity is missed by most people because it is dressed in overalls and looks like work.

There are many ways of going forward, but only one way of standing still.

The production of too many useful things results in too many useless people.

Don't ever promise more than you can deliver, but always deliver more than you promise.

To know what people really think, pay regard to what they do, rather than what they say.

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

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

One of the greatest discoveries a person makes, one of their great surprises, is to find they can do what they were afraid they couldn't do.

I am thankful to all those who said NO to me. It's because of them I did it myself.

Be quick, but don't hurry.

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

Without a sense of urgency, desire loses its value.

For the bureaucrat, the world is a mere object to be manipulated by him.

No man ever achieved worthwhile success who did not, at one time or other, find himself with at least one foot hanging well over the brink of failure.

You can't just ask customers what they want and then try to give that to them. By the time you get it built, they'll want something new.