Don’t take it personally when someone turns you down. Assume they are like you: busy， occupied， distracted. Try again later. It’s amazing how often a second try works.

"To write is to resist the erosion of time."

最好的还在后头，生命的最后，是为了最初而存在的。

It is when we act freely, for the sake of the action itself rather than for ulterior motives, that we learn to become more than what we were.

在量子材料的领域，我们不断被电子集体行为中涌现出的丰富现象所惊讶。

History is not the past. It is the present. We carry our history with us. We are our history.

Silence remains, inescapably, a form of speech.