敵てきの急きゅう所しょは我わが急きゅう所しょ

expression

the enemy's key point is yours

A go proverb meaning that a vital point for the opponent is also a vital point for oneself; often used to emphasize that attacking the opponent's weakness can also strengthen one's own position.

See also: 急所

• 「敵てきの急きゅう所しょは我わが急きゅう所しょ」という格かく言げんは、相あい手ての弱じゃく点てんを攻せめることが自じ分ぶんの強きょう化かにもつながるという囲い碁ごの教おしえだ。

  The proverb 'the enemy's key point is yours' is a go teaching that attacking the opponent's weakness also leads to strengthening one's own position.