过而不改，是谓过已。
【讲解】：有了过错而不改正，这才真叫过错呢。
The only way to find the limits of the possible is by going beyond them into the impossible.
Without food, man can live at most but a few weeks; without it, all other components of social justice are meaningless.
成功不在于目的地，而在于旅程。