My father and my uncle are not on good terms. Now that my uncle is ill, my father still laughs at him. Is such a father a scum or is this human nature?

You can't say that about your own relatives.

It's just that there are some contradictions between them, if they can be solved.

For one thing, there will be no such idea, and for another, if uncle really leaves.

Father must be very upset, just to breathe a sigh of relief.

No revenge. What time? Why don't you take it easy?