When you knock on a door, be courteous in your greeting. If they welcome you, be gentle in your conversation. If they don't welcome you, quietly withdraw. Don't make a scene. Shrug your shoulders and be on your way. You can be sure that on Judgment Day they'll be mighty sorry—but it's no concern of yours now.Matthew 10:11-15 MSG
It's not about you. It is not your message. It is the message of God through His Christ that we bring. It is His Message, His Gospel, His peace that we bring.
It's not about you. It is about them. If we are courteous, gentle and respectful, they are held responsible for how they receive Christ's Message, not us. We do not have to argue, challenge, plead, or beat ourselves up and feel guilty if things do not work out as we plan.
Our responsibility is to go and speak. When and how Christ uses our work is not up to us, it is in His divine and perfect plan.
His Message has power! Focus on Christ, worship Christ as Lord of your life. Devote yourself to being a student and a follower of His Will and His ways. Then, if someone asks about your Christian hope, you'll be ready to explain it.
But by all means GO! Go to the houses, and if they will listen, speak. And whether they hear and turn in your presence or if they reject you, Christ peace is yours.
If with heart and soul you're doing good, do you think you can be stopped? Even if you suffer for it, you're still better off. Don't give the opposition a second thought. Through thick and thin, keep your hearts at attention, in adoration before Christ, your Master. Be ready to speak up and tell anyone who asks why you're living the way you are, and always with the utmost courtesy. Keep a clear conscience before God so that when people throw mud at you, none of it will stick. They'll end up realizing that they're the ones who need a bath.
1 Peter 12-16 MSG