Success is having a flair for the thing that you are doing, knowing that is not enough, that you have got to have hard work and a sense of purpose.

Develop success from failures. Discouragement and failure are two of the surest stepping stones to success.

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.

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

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

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

Practice does not make perfect. Perfect practice makes perfect.

Old Professors never die, they just lose their faculties.

Any fact facing us is not as important as our attitude toward it, for that determines our success or failure

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

Inspiration exists, but it has to find you working.

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

Riches do not respond to wishes. They respond only to definite plans, backed by definite desires, through constant persistence.

Success is most often achieved by those who don't know that failure is inevitable.

Lisa, if you don't like your job you don't strike. You just go in every day and do it really half-assed. That's the American way.

Ability may get you to the top, but it takes character to keep you there.

Pleasure in the job puts perfection in the work.

Without a sense of urgency, desire loses its value.

When you play, play hard; when you work, don't play at all.

What I cannot create, I do not understand.

Just because something doesn't do what you planned it to do doesn't mean it's useless.