It is indeed an opinion strangely prevailing amongst men， that houses， mountains， rivers， and in a word all sensible objects， have an existence， natural or real， distinct from their being perceived by the understanding.

未来奖励那些坚持下去的人。我没有时间为自己感到难过。我没有时间抱怨。我要坚持下去。

Train people well enough so they can leave, treat them well enough so they don't want to.

对这个世界有所助益是获得快乐的唯一途径。

法律是社会生活条件的总和。

成功是对所有怀疑者最好的报复。