"Russia's destiny is written in the faces of its peasants."

The human mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors.

记忆是个奇怪的东西。它的运作方式和我所想的不同。我们如此受时间束缚，受其顺序约束。

幸福需要快乐和目标两者兼具——仅靠其中一项是不够的。