正如几何学最自然的起点是数学点，在观察和自然历史中采用同样的方法也最真实、简单且富有教益。
As in geometry the most natural way of beginning is from a mathematical point, so is the same method in observations and natural history the most genuine, simple, and instructive.
Talent is important, but without hard work, it means nothing.
"It's hard to think of anyone who, at one time or another, has not been laid low by love or by the lack of it."
砰的一声，我从我的粉色云端跌落。
To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.