expression
fleeing is winning; discretion is the better part of valor
Proverb meaning that sometimes it is wiser to retreat or avoid a confrontation than to fight and risk losing everything. Literally 'running away is winning'.
ここは逃げるが勝ちだ。無理に戦うことはない。
Here, discretion is the better part of valor. There's no need to fight recklessly.
彼は「逃げるが勝ち」と言って、その場を離れた。
He said 'fleeing is winning' and left the scene.