You are not someone else’s opinion of you.
The greatest problem for mathematicians now is probably the Riemann Hypothesis.
The world is built on chemistry, and we are just beginning to see how.
痛苦的生活源于错误的比较。
【译文】爱好学习的人如同禾苗稻谷一样都是有用的，不爱学习的人则像蒿草一样没有什么用处，只配当柴火来烧。
Success is not about the money you make, it's about the difference you make in people's lives.
"Memory is a tricky thing, it can be both a blessing and a curse."