Children totally accept — and crave — family rules. “In our family we have a rule for X” is the only excuse a parent needs for setting a family policy. In fact， “I have a rule for X” is the only excuse you need for your own personal policies.

The psychologist must avoid all teleological interpretations.

我们站在巨人的肩膀上，但仍有如此多的东西有待发现。