The so-called happiness refers to the absence of pain in the body and the absence of disturbance in the soul.
Everyone has his inherent ability which is easily concealed by habbits, blurred by time, and eroded by laziness.
Right and Wrong are subjective truths. Therefore, when encountering something uncertain, it is better to make more distinctions rather than rush to determine whether it is correct or not. What's more, the relationship between the two is sometimes ambiguous.