C47 True and False Fathers

"I've never seen my father, so I don't know what the real Yang Zang is like. In order to dispel my suspicions, you didn't immediately acknowledge me, but in the beginning you suspected my identity, you threw the question to me, wanting me to prove that it was Yang Zang. If I'm anxious to prove my identity in front of you, then I will inevitably neglect the matter of proving your identity