Life is a series of endless repetitions, each more meaningless than the last.

Work spares us from three evils: boredom， vice， and need.

Teaching is the most glorious profession under the sun.

I don't know what I'ma be, but I know what I won't be - broke.

农业的真正进步意味着让土地比我们发现时更好。

Progress requires both vision and execution.

大海不会奖赏那些太焦虑、太贪婪或太不耐烦的人。