What does jaku hou rai kouben mean in japanesse?

"Jaku hou rai kouben" (弱法来攻弁) is a phrase that can be translated as "the weak law comes to attack in defense." It suggests a concept where weaker arguments or positions can still pose a challenge or counterattack in a debate or discussion. The phrase emphasizes the idea that even those who seem at a disadvantage can find ways to assert themselves effectively.