A worthy goal for a year is to learn enough about a subject so that you can’t believe how ignorant you were a year earlier.
一个值得追求的年度目标:充分学习一个领域,以至于你无法相信一年前有多么无知。
A mathematician is a device for turning coffee into theorems.
A man's life is limited, but service to the people is infinite.
The multiverse is not a theory, but a prediction of certain theories.