Sometimes the simplest questions lead to the deepest theories.

看到神圣之光的最好方法是熄灭你自己的蜡烛。

【讲解】：一个人的高尚的品质和外在的表现一致，然后才能成为君子。

当今煤炭行业的挑战需要大胆的领导力和远见。

This world is filled with ups and downs. Take turns lending a helping hand in times of need. That's as it should be.

在科学中，创造力和技术技能同样重要。