The power of teaching:
Matthew 10:7, 27
As you go, make this proclamation: 'The kingdom of
heaven is at hand.' ... What I say to you in the
in the light; what you hear whispered,
on the housetops.
He said to them (the eleven), "Go into the whole world
proclaim the gospel
to every creature."
He appointed twelve (whom he also named apostles)
that they might be with him and he might send them forth