Contemporary English Version (CEV)
It's interesting to think about Paul's exhortation to keep your beliefs about small things between you and God. Imagine what would happen if we heeded these words and only allowed the larger things to lead us to speak out, keeping our beliefs and questions and arguments about small things between ourselves and God.
I'm not sure exactly where the line is drawn, but it should give us pause when we speak out -- are we doing so to glorify God and bring others to Christ, or are we simply judging for the sake of creating an argument or making a point?
Everything we do should be done in love, and it should be done for the purpose of pointing others towards the grace, love, mercy and purity of Christ. May we think carefully on that before jumping in.