家庭的纽带比任何挑战都更强大。

Problem solving is the central activity of intelligent systems.

When stocks are attractive, you buy them. Sure, they can go lower. I've bought stocks at $12 that went to $2, but then they later went to $30. You just don't know when you can catch the bottom.

我唱的每一首歌都是我献给世界的一片真心。

基因编辑不仅仅是解决问题，更是理解生命本身。