The more I study nature, the more I stand amazed at the work of the Creator.

Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems—but as you approach the present, it inevitably seems more and more incredible.

乐观是一种可以学习的技能。

在变革的时代，学习者将继承地球，而那些博学的人会发现自己装备精良，却要面对一个不复存在的世界。