The only limit to our realization of tomorrow will be our doubts of today.
实现明天的唯一限制将是我们今天的疑虑。
The only thing that separates successful people from the others is hard work.
A wise man is superior to any insults which can be put upon him, and the best reply to unseemly behavior is patience and moderation.
学习和思考的时间远远多于做事的时间，这种习惯绝非偶然。
"The most beautiful people we have known are those who have known defeat, known suffering, known struggle, known loss, and have found their way out of the depths."
