Jesus wasn't just sending out a few friends; this was a calculated, large-scale mission. Notice how Luke describes the appointment and the scope of their journey.
Luke 10:1 marks a significant expansion of Jesus' ministry. Before this, He had primarily focused on the Twelve Apostles. Now, he commissions seventy others.
A Broader Reach
This wasn't a small group; it was a substantial deployment. The number 'seventy' (or 'seventy-two' in some ancient manuscripts) likely carried symbolic weight, possibly referencing the seventy elders Moses appointed to assist him in leading Israel, or even representing the nations of the world.
Pioneering the Path
Their mission was to go ahead of Jesus, into every town and place where He himself was about to go. Think of them as advance scouts or heralds. Their job was to prepare the ground, announce His imminent arrival, and perhaps begin the work of healing and teaching, making way for Jesus' own presence.