购买旧书，它们的词与新词相同，也可以去图书馆。
By used books. They have the same words as the new ones. Also libraries.
一个心理过程的价值在于它的生存效用。
"In business, you don't get what you deserve, you get what you negotiate."
The truth is, we are all capable of great evil and great good. It is the choices we make that define us.
The more you give, the more you receive. The more you love, the more you are loved.
The best way to find the truth is to follow the evidence wherever it leads.