I have never been able to conjure up (as some great Evangelical missionaries have) the appalling vision of the millions who are not only perishing but will inevitably perish. On the other hand... I am not and cannot be a universalist. Between these extremes I cherish and hope the majority of the human race will be be saved. And I have a solid biblical basis for this belief.
So, because in no other person but Jesus of Nazareth did God first become human (in his birth), then bear our sins (in his death), then conquer death (in his resurrection) and then enter his people (by his Spirit), he is uniquely able to save sinners. Nobody else has his qualifications.
The nations are not gathered in automatically. If God has promised to bless "all the families of the earth," he has promised to do so "through Abraham's seed" (Genesis 12:3, 22:18). Now we are Abraham's seed by faith, and the earth's families will be blessed only if we go to them with the gospel. That is God's plain purpose.
God must speak to us before we have any liberty to speak to him. He must disclose to us who he is before we can offer him what we are in acceptable worship. The worship of God is always a response to the Word of God. Scripture wonderfully directs and enriches our worship.