If you fail, don't forget to learn your lesson.

如果你失败了，千万别忘了汲取教训。

Difficult circumstances serve as a textbook of life for people.

困难坎坷是人们的生活教科书。

There's only one corner of the universe you can be sure of improving, and that's your own self.

这个宇宙中只有一个角落你肯定可以改进，那就是你自己。

All things in their being are good for something.

天生我才必有用。

For man is man and master of his fate.

人就是人，是自己命运的主人。

Patience is bitter, but its fruit is sweet . (Jean Jacques Rousseau , French thinker)

忍耐是痛苦的，但它的果实是甜蜜的。 (法国思想家 卢梭。 J. J.)

The best preparation for tomorrow is doing your best today.

对明天做好的准备就是今天做到最好!