我从未见过一只野生动物为自己感到难过。一只小鸟会冻死在树枝上,却从不自怜。
I never saw a wild thing sorry for itself. A small bird will drop frozen dead from a bough without ever having felt sorry for itself.
The true cost of energy must account for both its production and its legacy.
如果你走在正确的道路上,并且愿意继续走下去,那你总有一天会取得进步。