Rebuilding my career at fifty wasn’t easy—but nothing worthwhile ever is.
50岁重建事业并不容易——但值得的事情从来都不简单。
To do mathematics is to engage in an act of discovery and conjecture, intuition and inspiration.
我一生只想要一件事 - 快乐。
Nothing is a waste of time if you use the experience wisely.
我们根据世界对行动的意义来感知它。