Eschatology can direct priorities. Postmillennialism directs its attention to what we are doing now to ‘immanentize the eschaton”, i.e. bring in the kingdom. Verses like Matthew 6:9-10; 24:14, and 2 Peter 3:12 do indicate that we participate in God’s move to bring in the kingdom to earth. The mechanisms of the advent of God’s kingdom in postmillennialism, however, are mundane, anthropocentric, and naturalistic.
- Instead of evangelism there is social involvement.
- Instead of preaching there is participating.
- Instead of doctrine there is development.
- Instead of conversion there is conversation.
- Instead of building up the church there is building up the world.
Here is Hans Küng on not selling out the Christian reality in all our getting involved:
It may seem like a caricature, but there is considerable truth in the picture of uncommonly open-minded Churches which go in for action instead of prayer, get actively involved everywhere in society, subscribe to all manifestos, identify themselves with all possible enterprises and- whenever possible- take part in revolutions, at least by supporting them in words from a distance; meanwhile, nearer home, the churches are becoming emptier, the sermon is acquiring a new function and the Eucharist is more and more forgotten, with the result that community worship- deliturgized and detheologized- degenerates into a sociopolitical discussion and action group…
–On Being a Christian, pp. 32-33
- Millennium as Motive for Mission (lifeandbuilding.com)