A miner's safety should never be measured in cost-benefit analyses.
矿工的安全永远不应该用成本效益分析来衡量。
"The future is not something we enter. The future is something we create."
所以发表言论有三条准则,哪三种准则呢?第一是审查本质,第二是推理情理,第三是用于实践。