Persistence is key in mathematical research; many great results come from long struggles.
坚持是数学研究的关键,许多伟大的成果来自于长期的奋斗。
我本来可以征服整个世界的。
Sometimes life hits you in the head with a brick. Don't lose faith.
没人会和你自己一样对你所拥有的东西印象深刻。(Morgan Housel《金钱心理学》里面的一句话,可以理解为禀赋效应:即,由于情感上的偏见,人们在自己已经拥有的东西上比尚未获得的东西拥有更大的价值)
No one is as impressed with your possessions as you are.