The poor perpetually sell their time cheaply, yet can never buy it back.
In the mining industry, safety isn't a priority—it's a value.
道德的营养不良和精神的中毒对人的心灵的危害，正如身体的营养不良对于身体健康的危害一样。
The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.