There are literally thousands of examples that could be cited of the rapid expansions that take place in one's life when the "I can't" s are released.

简直有无数的例子可以说明当“我不行”被释放掉之后，一个人的人生会多迅速地扩展。

The saddest thing about youth is the failure to take hold of what will fill a leading place in one's future happiness.

青春最遗憾的莫过于抓不住未来幸福中占主导地位的东西。

He will take the promised one's place.

所以让他来代替我所承诺过的那个。