Men and women differ in their reproductive strategies because they have faced different adaptive problems throughout evolutionary history.
【译文】所谓仁人,只要能做到自己想成功时先帮别人成功,自己想得到时先帮别人得到,就可以了。推己及人,可算实行仁的方法。
衡量生命的尺度是思想和行为,而不是时间。
The Internet is a tool for communication, but it also requires us to be good listeners.