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.
你能做的最好的投资就是投资自己。
The great and chief end, therefore, of men's uniting into commonwealths, and putting themselves under government, is the preservation of their property.
Beauty is not an ornament; it is a necessity.
我不是那种试图变得酷或时髦的人，我绝对是一个个体。