Mathematics is not a spectator sport.
The most interesting art is the art that doesn’t give you all the answers.
"Sometimes the hardest journey is the one you take alone."
浅陋的人,不能和他谈论深奥的见解;愚蠢的人,不能和他谋划有智慧的事。井底之蛙,不能和它谈论东海的快乐。
The only limits that exist are the ones you place on yourself.