贞节:仅为健康或生育的目的进行房事。爱惜身体,不要损害自己或他人的安宁与名誉。
激发生命,让生命自由发展,这是教育者的首要任务。
But man is not made for defeat. A man can be destroyed but not defeated.
The most important experiments are the ones that challenge what we think we know.