最好的肥料是农民的影子，没有什么能取代在田间的存在和关注。

We will now discuss in a little more detail the Struggle for Existence.  

Fear is the main source of superstition， and one of the main sources of cruelty. To conquer fear is the beginning of wisdom， in the pursuit of truth as in the endeavour after a worthy manner of life.

Innovation is not just about technology; it's about changing the way we think and operate.

译文：读书不一定都有好处，读书不会选择就会贻误终身。赏析：我们要选择好书去读，那些三观不正的书会让带偏人的思想。