如果你想取得真正的进步,就必须愿意挑战现状。
The only limit to our realization of tomorrow will be our doubts of today.
It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.
The only thing I'm addicted to right now is success.
The only person you should try to be better than is the person you were yesterday.