Self-knowledge

When Hao Jun heard this, there was a hint of anger in his eyes. You have never been to medical school, and you don't have a teacher. Isn't this self-taught? So many experts and famous doctors can't cure it, how dare you, a self-taught doctor, say you can cure it? Isn't this playing with your own son's life? "Thank you for your kindness, Mr. Leng, but we don't need it." Hao Jun refused. "It's a good thing that Mr. Leng is kind-hearted, but one must know one's own limitations. Some things can be...