Jesus said to the 72 appointed missionaries, “Whenever you enter a town and its people welcome you, eat what they set before you and cure the sick there. Say to them: ‘The reign of God has come near.’”
Luke 10.8-9
Jesus advises the missionaries no walking staff, no traveling bag, no sandals, and no visiting along the way. A disciple cannot possess much less than this. Any who imitate Jesus’ lifestyle to this extent make a wholehearted commitment to preaching the gospel.
However, Jesus’ rules presume local communities of Christians that welcome the radical, itinerant missionaries. The greeting “Peace to this house” is the test. Missionaries stay with anyone who reciprocates this greeting. Jesus requires that homeless missionaries, who depend for their daily bread on Christians with homes, eat and drink what their hosts provide.
How have you benefited from knowing and hearing missionaries?
Keeping Faith Today 
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This helps a lot in understanding God’s word.