1, don't think twice before you act, you will regret it. People can endure without worrying. Feng Ming Menglong
2. The East China Sea is vast and deep, from humble to hundred rivers; Although the five mountains are high, they are not as good as dirt. Three kingdoms. Cao zhi
3, people are not arrogant, who can be good. The Book of Jingzhou by Tang Li Bai and the Han Dynasty
4, Taishan does not let the soil, so it can become big; Rivers and seas do not choose small streams, so they can become deep. (Reese)