行为法则与物理学法则一样精确。

The older one grows, the more one likes indecency.

随机评估可以帮助我们了解发展中哪些措施有效，哪些无效。

Some people have an ability to negotiate. It's an art you're basically born with. You either have it or you don't.

心理学必须避免一切形式的心灵主义。