学会怎么打称人结（又叫“撑人结”，不会越拉越小的结）。而且要摸黑练习、单手练习。在今后的日子里，你根本想不到它有多有用。

A story is a letter that the author writes to himself, to tell himself things that he would be unable to discover otherwise.

劫富无法济贫。

The best way to write a program is to write it.

交易成功的关键是对市场动态有扎实的理解。