1 sentence

1. 内部的自相残杀只会让敌人有机可乘。

   nèi​bù de zì​xiāng​cán​shā zhǐ huì ràng dí​rén yǒu​jī​kě​chéng.

   Internal infighting will only give the enemy an opportunity to exploit.

   Source: Dong Chinese Dictionary