解释：要想人爱护自己，必须先爱护别人；要想人顺从自己，必须先顺从别人。
"We sleep safe in our beds because rough men stand ready in the night to visit violence on those who would do us harm."
可持续性不仅仅是一种趋势，更是我们对后代的责任。
The intellectually sophisticated person is indifferent to all genuine individuality, because relationships and reactions result from it which cannot be exhausted with logical operations.