Those who dream by day are cognizant of many things which escape those who dream only by night.

Leadership is action, not position.

The only thing to do with good advice is to pass it on. It is never of any use to oneself.

The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.

The greatest lessons come from the hardest struggles.

【释义】世界上一切都是次要的，只有读书最重要、最高尚。