I've learned that you can't control everything in life, but you can control how you react to it.

The more you sweat in training, the less you bleed in combat.

The olfactory system is a remarkable example of how the brain can decode complex information from the environment.

出自北齐·颜之推《颜氏家训·勉学》。博士：指学识渊博的人。一个学识渊博的人打算去买一头驴，可是写了三页纸也没有见到一个“驴”字。这句话常用来讽刺文章文辞繁冗、不得要领、苍白空洞。