The key to solving complex problems is often to find the right abstraction that simplifies the problem without losing its essential features.

孔子说：“听从花言巧语就会丧失自己的美德，小事不忍耐就会搅乱大事情。”

The steel industry must embrace sustainability or risk becoming obsolete.

你不知道的事情不会伤害你，但可能会杀死你。