I always cheer up immensely if an attack is particularly wounding because I think, well, if they attack one personally, it means they have not a single political argument left.
如果你从未跌倒过,那么你也就从未努力过。
I'm not afraid to fall, because I know I'll get back up.
The writer’s job is to write with rigor, with honesty, to the very end of his strength.
A true mathematician is always a student, always learning.