生命是脆弱的。我们不能保证明天，所以要全力以赴。

The personal example of a teacher is the most useful sunshine that nothing can replace for the soul of young people.

I don’t follow any particular theory. I just do what seems right to me.

做出伟大工作的唯一方法就是热爱你所做的事。

只管走过去，不必逗留着采了花朵来保存，因为一路上花朵自会继续开放的。