Proverbs 25:15 (NIV) Through patience a ruler can be persuaded, and a gentle tongue can break a bone.
1 Corinthians 2:4 (NIV) My message and my preaching were not with wise and persuasive words, but with a demonstration of the Spirit's power.
Acts 19:8 (NIV) Paul entered the synagogue and spoke boldly there for three months, arguing persuasively about the kingdom of God.