Nothing will work unless you do.

It is hard to fail, but it is worse never to have tried to succeed.

I have not failed. I've just found 10,000 ways that won't work.

One can have no smaller or greater mastery than mastery of oneself.

Whosoever desires constant success must change his conduct with the times.

A person who never made a mistake never tried anything new.

Those who vote decide nothing. Those who count the vote decide everything.

If you think of yourselves as helpless and ineffectual, it is certain that you will create a despotic government to be your master. The wise despot, therefore, maintains among his subjects a popular sense that they are helpless and ineffectual.

I am easily satisfied with the very best.

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

Moving from chair to chair, from coffee machine to coffee machine is the limit of my action in most films. But I enjoy being cast in them because I love watching them.

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

Art calls for complete mastery of techniques, developed by reflection within the soul.

To invent, you need a good imagination and a pile of junk.

You can observe a lot just by watching.

We are trying to prove ourselves wrong as quickly as possible, because only in that way can we find progress.

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.

If you do not change direction, you may end up where you are heading.

Price is what you pay. Value is what you get.

If you go to work on your goals, your goals will go to work on you. If you go to work on your plan, your plan will go to work on you. Whatever good things we build end up building us.

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.