The Bible says to always be prepared to have an answer for your faith. This guy did.
Here are the verses used in the discussion if you’d like to read more:
For I will give you the right words and such wisdom that none of your opponents will be able to reply or refute you! New Living Translation (NLT)
2 John 1:10
If anyone comes to your meeting and does not teach the truth about Christ, don’t invite that person into your home or give any kind of encouragement. New Living Translation (NLT)
2 Timothy 2:24
A servant of the Lord must not quarrel but must be kind to everyone, be able to teach, and be patient with difficult people. New Living Translation (NLT)
Can two people walk together without agreeing on the direction? New Living Translation (NLT)