We are here to add what we can you to life，not to get what we can from it.

"In observational studies, we often have to rely on assumptions that are not directly testable."

We are each our own devil, and we make this world our hell.

最具韧性的农场是与自然合作，而非对抗自然的农场。

好奇心是所有科学发现的驱动力。