There is one weakness in people for which there is no remedy. It is the universal weakness of lack of ambition.

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

Genius is eternal patience.

In the business world, the rearview mirror is always clearer than the windshield.

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.

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

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.

Success is going from failure to failure without loss of enthusiasm.

If you try to be anyone but yourself, you will fail; if you are not true to your own heart, you will fail. Then again, there's no success like failure

If A is success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut.

Success means we go to sleep at night knowing that our talents and ablities were used in a way that served others.

He who will not economize will have to agonize.

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.

Change yourself and your work will seem different.

What one has to do usually can be done.

Eighty percent of success is showing up.

Don't mistake activity with achievement.

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

Success is never final. Failure is never fatal. It s courage that counts.

The greatest leader is not necessarily the one who does the greatest things. He is the one that gets the people to do the greatest things.

Anticipate the difficult by managing the easy