Men live in a community in virtue of the things which they have in common; and communication is the way in which they come to possess things in common. What they must have in common in order to form a community or society are aims, beliefs, aspirations, knowledge - a common understanding - likemindedness as the sociologists say.
Love the sinner, hate the sin? How about: Love the sinner, hate your own sin! I don't have time to hate your sin. There are too many of you! Hating my sin is a full-time job. How about you hate your sin, I'll hate my sin and let's just love each other!