As the Chinese saying goes, "know the enemy and know yourself, and you can fight a hundred battles with no danger of defeat", one should know both himself and his counterpart to win each battle.
中国有一名话：“知己知彼，百战不殆。”意思说，打仗的时候，既要了解自己，还要了解自己的对手，这样才能在每场战役中取胜。
Therefore, I say:Know the enemy and know yourself, and you can fight a hundred battles with no danger of defeat.
所以说：既了解敌人又了解自己，每战都会胜利；
应用推荐