I believe that man will not merely endure: he will prevail. He is immortal, not because he alone among creatures has an inexhaustible voice, but because he has a soul, a spirit capable of compassion and sacrifice and endurance.

I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection.  

乳制品行业有责任在环境管理方面发挥领导作用。

The only lies for which we are truly punished are those we tell ourselves.

对于好的建议，唯一能做的就是传递它。它对自己从来没有任何用处。