"The dead are invisible, they are not absent."

怎么会有不用同道的人而只用与自己意见相同的人的道理呢？ 

I never want to look back and say I could have done more.

I think frugality drives innovation， just like other constraints do. One of the only ways to get out of a tight box is to invent your way out.

"The artist's duty is to reveal the invisible through the visible."

有的人忙着死，有的则人忙着活。

不要为那些不愿在你身上花费时间的人而浪费你的时间。

多元宇宙的概念是膨胀宇宙模型的自然结果。

The galactic center is a unique natural experiment in strong gravity.

质量不是一个部门；它是组织中每个人的责任。