Two: The Spirit will never lead you where he cannot use you.
If he gives you an opportunity to explain and defend your faith, he will help you be faithful (Luke 12:11–12). He knows whether the person is more interested in your faith story, logical arguments, or Christian evidence. He will lead you to say what you need to say when you need to say it.
Three: Our role is not to win souls but to be faithful.
You and I cannot convict people of sin or save their souls. This is the work of the Holy Spirit (John 16:8–10). Our job is to be prepared and ready when he invites us to join him in leading people to Jesus.
Who is on trial?
When Christians are called upon to defend our faith, it can seem as though we are on trial and the skeptic is the prosecutor who seeks to embarrass us and prove that we’re wrong.
In fact, Jesus is on trial. The Holy Spirit is the defense attorney; Satan is the prosecutor; our Father is the judge; the skeptic is the jury. You and I are simply witnesses called by the defense attorney to the stand.
Our job is not to win the trial. It is to tell what we know and trust the Judge.