S1: People of every country think very highly of themselves and consider their country the best or the greatest. P: And discard what is bad. Q: No country can be absolutely good, just as no man can be thoroughly good. R: One must cultivate the ability to discern the good from the bad. S: We have to keep what is good. S6: We should accept whatever good we may find in other countries. Find the correct sequence of P, Q, R and S.