The continents are not fixed but drift like rafts on the mantle below.
大陆并非固定不动，而是像木筏一样在地幔上漂移。
当你愿意质疑一切时，创新就会发生。
The past is a foreign country; they do things differently there.
可持续性不是一种选择；它是我们对后代的责任。