Careers are a jungle gym, not a ladder.
职业生涯是攀爬架,不是梯子。
Freedom is not the choice, but the chance to choose.
数学的美在于它允许我们抽象出现实世界的复杂性,专注于基本原则。
The Langlands program is not a static set of conjectures but a dynamic field of research.