撰写一生就像拼凑一幅马赛克,其中一些碎片不可避免地缺失了。
A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.
身份是脆弱的东西,容易丢失,难以重获。
Overfishing is a solvable problem, but it requires global commitment and local action.
未来属于那些相信自己梦想之美的人。