Success depends in a very large measure upon individual initiative and exertion, and cannot be achieved except by a dint of hard work.
To follow, without halt, one aim: that's the secret of success.
When a small child, I thought that success spelled happiness. I was wrong, happiness is like a butterfly which appears and delights us for one brief moment, but soon flits away.
The right to happiness is fundamental.
What exactly is success? For me it is to be found not in applause, but in the satisfaction of feeling that one is realizing one's ideal.