Innovation in science often comes from looking at old problems in new ways.

永远假设危机就在眼前。

To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things, every single day.

写自己就是在谈论世界。