A miner's safety should never be measured in cost-benefit analyses.
我思考语言的界限。
It's often safer to be in chains than to be free.
"The most profound discoveries often come from the simplest observations."
如果要从正确和善良中,做出选择,请选择善良。
两个物体的相互作用力总是大小相等,方向相反,同时出现或消失且作用于同一直线上。
Happiness is not something you postpone for the future; it is something you design for the present.