Stop judging others. That is Paul’s command. Our focus should probably be on ourselves and not others, since every one of us shall give an account of himself to God.
Instead of zeroing in on everyone else’s faults, let’s live by the law of love. Loving and not judging does not mean we compromise. Rather, here is what it means,
“We then that are strong ought to bear the infirmities of the weak, and not please ourselves.”
Paul says we should “strive together with [him] in [our] prayers to God…” That is a good general principle to follow. When we do that, we begin to focus on others in a positive sense–Paul models that for us in chapter 16.