The true writer is always an exile, even in his own country.

User needs always come first, and what we need to do is continuously meet their demands.

成就伟大的唯一途径就是热爱你所做的事。

Every mental state is a function of some physical state of the brain.

The strength of a response tendency depends on the amount of reinforcement received.

Patriotism is not a choice, but a duty.