The book of Acts tells the story of the apostles bearing witness to Jesus in the power of the Spirit by the will of the Father. The book is about people, but behind it all lies the Triune God.
Mission is witnessing to Jesus in the power of the Spirit; everything else details.
All too often, references to the "Great Commission" are little more than proof-texting. We should know better!
If we are not moved to worship Jesus, then it is unlikely that we will get off our metaphorical rear ends to witness to him to the ends of the earth either.
Though Jesus was actually sending a community into the world, his words in the Great Commission often have been used as the rationale by which churches send individuals into cross-cultural settings.
Training in cross-cultural evangelism, language learning and what have you is important, but on their own these things won't do.
Our best motivations, strategies and theologies can do nothing to heal a broken world - only Jesus can do that.
An American author tells us what Africa needs and an African disagrees. Who should we be listening to?
No, mission isn't the highest priority for the church, whatever the inspirational posters say.
In which I question the appropriateness of a well worn Christian saying about mission.