This is an interesting planet. It deserves all the attention you can give it.

"We are all astronauts on a little spaceship called Earth."

Confucious said that real knowledge is knowing the extent of one's ignorance.Aristotle and Socrates said the same thing.Is it a skill that can be taught or learned? It probably can, if you have enough of a stake riding on the outcome...

不存在所谓的质量问题。只有人们没有做他们应该做的事情的问题。

穿着粗布衣裳，吃着简单饭菜，这样的快乐哪里需要刻意寻求？