To improve is to change; to be perfect is to change often.
Chartwell
Without continual growth and progress, such words as improvement and success have no meaning.
A self that goes on changing is a self that goes on living.
A man must shape himself to a new mark when the old one goes to ground.
Kites rise highest against the wind, not with it.
We make a living by what we get, but we make a life by what we give.
Success is not final, failure is not fatal: it is the courage to continue that counts.