如果农民不知道如何有效使用，最先进的技术也毫无价值。

The most interesting art is the art that makes you think.

The power of a man, to take it universally, is his present means, to obtain some future apparent good.

被别人用他们认为是坏名字的称呼并不是侮辱。这只是表明那个人有多可怜，它不会伤害你。