We are all responsible for the world we have created, and therefore we must work together to change it.
"Every book is a conversation between the author and the reader."
生存下来的不是最强壮的物种,也不是最聪明的,而是对变化反应最快的。
成人必须给幼儿提供活动的空间。
The landscape of string theory is vast and complex, with perhaps 10^500 different possible universes.
心灵不是要填满的容器,而是要点燃的火焰。