Whatever you are, be a good one.
The great secret of true success, of true happiness, is this: the man or woman who asks for no return, the perfectly unselfish person, is the most successful.
We should not give up and we should not allow the problem to defeat us.
Others have seen what is and asked why. I have seen what could be and asked why not.
Without ambition one starts nothing. Without work one finishes nothing. The prize will not be sent to you. You have to win it.
Duty does not require any person to submit to the destruction of his personal ambitions and the right to live his own life in his own way.
A painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light.
Human dignity consists in the role we must play in our own perfection. Taking a role in our own self-completion is the highest expression of our creativity.
A lot of people have gone further than they thought they could because someone else thought they could
When obstacles arise, you change your direction to reach your goal; you do not change your decision to get there.
The best way to find yourself is to lose yourself in the service of others.
I don't think necessity is the mother of invention. Invention ... arises directly from idleness, possibly also from laziness. To save oneself trouble.
The question isn't who is going to let me; it's who is going to stop me.
Never tell all you know-not even to the person you know best.
Don't get set into one form, adapt it and build your own, and let it grow, be like water.
The greatest sin is to think yourself weak
Never trust the advice of a man in difficulties.
The only way of discovering the limits of the possible is to venture a little way past them into the impossible.
So early in my life, I had learned that if you want something, you had better make some noise.
If you don't know, the thing to do is not to get scared, but to learn.
We are what we repeatedly do. Excellence, then, is not an act, but a habit.