Luke 1:69

and raised up a horn of salvation for us in the house of David his servant;

Luke 21:15

for I will give you a mouth and wisdom which all your enemies shall not be able to resist or dispute.

Colossians 4:3-4

praying also at the same time for us, that God will open to us a door of utterance to declare the mystery of Christ, for which also I am bound,

Treasury of Scripture Knowledge

Summary

In that day will I cause the horn of the house of Israel to bud forth, and I will give thee the opening of the mouth in the midst of them; and they shall know that I am the LORD.

I cause

Bible References

I cause

Luke 1:69
and raised up a horn of salvation for us in the house of David his servant;

The opening

Luke 21:15
for I will give you a mouth and wisdom which all your enemies shall not be able to resist or dispute.
Colossians 4:3
praying also at the same time for us, that God will open to us a door of utterance to declare the mystery of Christ, for which also I am bound,