Mathematics is not a spectator sport.
成功不在于從不犯錯(cuò)，而在于從不重蹈覆轍。
The best products are those that solve real problems.
I don’t have to prove anything to anyone. I only have to follow my heart and concentrate on what I want to say to the world. I run my world.
Our minds are not designed to cope with the anonymity of modern urban life.