活着是世界上最罕见的事情。大多数人只是存在，仅此而已。
A law of nature， lex naturalis， is a precept or general rule found out by reason， by which a man is forbidden to do that which is destructive of his life or takes away the means of preserving the same.
Collaboration across sectors is key to solving complex global energy challenges.
There is no exquisite beauty… without some strangeness in the proportion.
