One never notices what has been done; one can only see what remains to be done.

Never let success get to your head, or failure to your heart.

——在神户高等女校对神户商业会议所等五团体演讲，1924年11月28日

The laser is to attosecond physics what the telescope was to astronomy.

The Great Moderation was neither great nor a moderation.

我希望我的书是一面镜子，而不是一扇窗户。

我们不是从祖先那里继承了地球；我们是从子孙那里借来的。