No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.

Thinking is behavior. The muscular habits learned in overt speech are responsible for implicit or internal speech (thought).

最好的伙伴关系建立在信任、透明和共同的抱负之上。

Dairy isn’t just a product; it’s a part of people’s lives.

数学是所有科学赖以建立的基础。