一切始于梦想。

Happiness is not the absence of suffering, but the ability to overcome it.

To understand is to forgive, even when there's nothing to forgive.

教学应始终适应学生的发展阶段。

时间足够长，留给任何愿意利用它的人。

The supreme question about a work of art is out of how deep a life does it spring.