We are all walking around with an evolutionary user's manual in our heads, but most people don't realize it.

The iron rule of nature is: you get what you reward for. If you want ants to come, you put sugar on the floor.

对富有的单身汉应该客以重税。让某些人比其他人更快乐是不公平的。

物理学中的每一个发现都打开了一扇通往新奥秘的门。