The most important thing is to be able to think, to be able to see, to be able to judge what you see.
我们必须平衡短期收益与长期愿景。
如果我们想要清洁的空气和水,就必须从保护森林开始。
当没有人相信你的时候,你必须相信自己。
A world without books is a world without light.