By the help of microscopes, there is nothing so small as to escape our inquiry; hence there is a new visible world discovered to the understanding.

The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.

我不需要理由去为自己骄傲。

事实是，每个人都会伤害你；你只需要找到那些值得你为之受苦的人。

释义：做好事和坏事最终都会有报应，只是早晚的问题。

最好的肥料是将农民的知识与自然的智慧相结合。