No one ever is defeated until defeat has been accepted as a reality.
If you are not willing to risk the unusual, you will have to settle for the ordinary.
It's fine to celebrate success but it is more important to heed the lessons of failure.
If you think your teacher is tough, wait until you get a boss. He doesn't have tenure.
Success is going from failure to failure without loss of enthusiasm.
Make the lie big, make it simple, keep saying it, and eventually they will believe it
I'm not the smartest fellow in the world, but I can sure pick smart colleagues.
Rich people have small TVs and big libraries, and poor people have small libraries and big TVs.
One of the main weaknesses of mankind is the average man's familiarity with the word 'impossible'.
Speak softly and carry a big stick; you will go far.
Please all, and you will please none.
Success is a lousy teacher. It seduces smart people into thinking they can't lose.
What I cannot create, I do not understand.
The majority of people who fail to accumulate money sufficient for their needs are, generally, easily influenced by the opinion of others.
Practice does not make perfect. Perfect practice makes perfect.
The way to screw up somebody's life is to give them what they want.
Those who vote decide nothing. Those who count the vote decide everything.
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
He who will not economize will have to agonize.
If I have ever made any valuable discoveries, it has been due more to patient attention, than to any other talent.
Be quick, but don't hurry.