我不觉得人类的大脑足以理解过去和未来，这二者不过就是幻象而已，驱使你去相信一切有所改变。

It seems to me that the natural world is the greatest source of excitement; the greatest source of visual beauty; the greatest source of intellectual interest. It is the greatest source of so much in life that makes life worth living.

你有梦想，你必须保护它。