The worth of a mental process is in its service to life.

The way to learn about the mind is to reverse-engineer it: to figure out what natural selection designed it to accomplish.

冲突是思想的牛蝇。它激发我们观察和记忆。它激励创新。它将我们从羊群般的被动性中惊醒，并让我们留心观察和设计。