Lingaku- know yourself, know your enemy (idiom, from Sunzi's "The Art of War" 孙子兵法【Sūn zǐ Bīng fǎ】)
Generated: This idiom emphasizes the importance of understanding both your strengths and weaknesses as well as those of your opponent in order to achieve success in conflict or competition.
Knowing yourself and knowing your enemy leads to victory in every battle.