运退黄金失色，时来铁也生光。
释义：当运气不好的时候，即便是金子也会失去光辉；而好运来临时，即使是铁也会显得光彩夺目。
Factoring large numbers is believed to be hard for classical computers, but quantum computers can do it efficiently.
The good society is one in which virtue pays.
The only thing I can rely on is my own perception, and that is always changing.