Why pray? What is the point of prayer when God knows the future and is already in control of everything. If we cannot change God's mind, why should we pray?
Prayer can indeed 'change God's mind'. (Luke 18:1-8, Jonah 3:10, Amos 7:1-9) [God does not repent, though, as if his first decision was 'wrong' (Num 23:19)]...