The world is full of people who have never, since childhood, met an open doorway with an open mind.
人生就像骑单车。想保持平衡就得往前走。
当最后一条鱼被捕捞,人类才会明白金钱不能当饭吃。
Sustainability isn't an option; it's a responsibility we owe to the next generation.
死者虽不可见,但他们并未缺席。