爱是宇宙中最伟大的力量。

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

People are not lazy. They simply have impotent goals – that is, goals that do not inspire them.

Golf is a puzzle without an answer. I've played the game for 50 years and I still haven't the slightest idea of how to play.

The desire for recognition is a fundamental human need.

一个人的价值不应该用他最坏的那天来衡量。