"The most successful companies are those that put their customers first."

可持续性不是一种选择，而是煤炭行业的必需品。

所以，父母、老师、国君三者，都不能当作做事的法度。 

心灵是将挑战转化为机会的系统。

The best teacher is the one who suggests rather than dogmatizes, and inspires his listener with the wish to teach himself.