Twenty years of romance make a woman look like a ruin; but twenty years of marriage make her look like a public building.
我可残酷,但不可无良心;我可用语言的利剑来刺戳她,但决不用真刃。
A miner's safety should never be measured in cost-benefit analyses.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.