Advice on evangelism needs to be tailored to individual situations. For instance, I know someone who needs to be encouraged to speak less and work more. That would be a better testimony for him because he has certainly let his work colleagues know about Jesus. It's not that I don't want him to witness about Jesus, but I have a lot of sympathy for his employer. He is paying for work to be done.
Mark DeverThere is no gospel without the offence. This is God's wisdom. It never seems sensible to us in our flesh.
Mark DeverIf you say that the gospel lays a claim upon people, then you are invading their personal space, and they feel as though you have no right to be there. Now we don't even begin preaching the gospel until we get into their personal space and they feel the demands of God upon them.
Mark DeverI think that there are many things in the New Testament that show us that the godliness of our conversation plays an important evangelistic role. The apostles are clear that we mustn't limit the explicit sharing of the gospel to formal preaching. It can also happen in ordinary conversations.
Mark Dever