The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
"The essence of mathematics is not to make simple things complicated, but to make complicated things simple."
所以,根基树立不牢的人,不要期望有茂盛的枝叶。
合抱的大树从细小的萌芽生长,九层的高台从一筐筐泥土筑起
I'm not afraid to fail. I'm not afraid to take risks.