A proof of a proposition is a process the nature of which is such as to produce in us a belief in that proposition.

环境塑造人，交友需谨慎。  

"Memory is a complicated thing, a relative to truth, but not its twin."

诗歌是捕捉短暂之物的艺术。

成功不在于你赚了多少钱，而在于你对人们生活的影响。