A goal is not always meant to be reached, it often serves simply as something to aim at.
死亡很可能是唯一的、最好的生命创造。它是生命的促变者。它送走老一代，给新一代开出道路。
"There is a world of difference between the love we feel for a wild creature and the love we feel for a human being."
The best leaders are those who listen more than they speak.
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.