Correct division should be preferred over corrupt unity.

The difference between apologetics and evangelism is that in apologetics, you are answering objections that the world raises, whereas in evangelism, you are bringing the message that Christ brought. So unbelievers tend to set the agenda in apologetics, and you set the agenda in evangelism.

Every believer should evangelize. I know some Christians think that evangelism is only for people with special gifts for it, but I don't believe the New Testament teaches that. While Paul does say that some believers have the call to be evangelists, all of us have the responsibility of evangelism.

As a pastor, I have the opportunity every week to share the gospel publicly in a way that most of the members sitting in our church do not. However, that doesn't absolve them of the responsibility for reaching others with the gospel.

Testimonies are great things about what the Lord has done for us, but no-one will be offended when you talk about what God has done for you. You need to be specific about sin, about Christ's death on the cross, about others' need for a saviour, and about their need to repent and trust in Christ.

Let's say you don't want to stress the urgency of the gospel. Imagine that you are a hyper-Calvinist, and you just figure that people's salvation is a matter for the sovereignty of God. Well, if that's the case, there will never be the heartfelt pleading that you would see in a Spurgeon or an Edwards, or in the Apostle Paul where he pours out his heart in Romans 9 and 10 for the Jewish people.

There is no gospel without the offence. This is God's wisdom. It never seems sensible to us in our flesh.