The truth is rarely pure and never simple.

农业的真正价值不仅在于收获，还在于我们为子孙后代留下的遗产。

The task of the writer is to confront the chaos of existence and to find some kind of order within it.

解析：不要求快，不要贪求小利。求快反而达不到目的，贪求小利就做不成大事。