As if the intention wasn’t clear enough, in the next chapter Jesus does something dramatic to announce to all who understood the cosmic geography of Babel what was really happening: After this the Lord appointed seventy others and sent them on ahead of him in pairs to every town and place where He Himself was going to come (Luke 10:1 NRSV). Jesus sent out seventy disciples. The number is not accidental.8 Seventy is the number of nations listed in Genesis 10
