教师必须具有健康的体魄，农人的身手，科学的头脑，艺术的兴味，改革社会的精神。

The relationship between education and earnings is complex and varies across different contexts.

I believe in the power of music to change lives.

你无法满足所有人的要求。

我们不是在卖水，我们是在卖健康和生活品质。

Stray birds of summer come to my window to sing and fly away。 And yellow leaves of autumn， which have no songs， flutter and fall there with a sigh。

我不知道我在做什么，而这就是我喜欢的方式。