科学不仅仅是寻找答案，更是提出正确的问题。

"The true measure of a society’s progress is how it treats its most vulnerable members."

I keep thinking about this river somewhere, with the water moving really fast. And these two people in the water, trying to hold onto each other, holding on as hard as they can, but in the end it’s just too much. The current’s too strong. They’ve got to let go, drift apart.

For attractive lips, speak words of kindness.