日常生活中的家事，儿童都非常喜欢参与。

A story is never finished; it’s only abandoned.

To die laughing must be the most glorious of all glorious deaths！

 Knowledge is the key to unlocking the door to the soul.

Every challenge in agriculture is an opportunity to innovate and improve.

I am not a hero, I am just an ordinary person.

The greatest problem for mathematicians now is probably the Riemann Hypothesis.