A embankment of a thousand miles will burst with the holes of ants; a room of a hundred feet will be burned with smoke from the gaps. ——"Collected Notes of Han Feizi·Yu Zhi"

If you have mistakes, you should tell everyone you meet. This can not only obtain supervision and help from comrades, but also provide reference for comrades. ——Zhou Enlai

Mistakes are inevitable, but don’t repeat them. ——"Selected Works of Zhou Enlai"

The correct result is derived from a large number of mistakes; without a large number of mistakes as a stepping stone, one cannot reach the high seat of the final correct result. ——Qian Xuesen