Matthew 11:15

He who has ears to hear, let him hear.

Matthew 13:9

He who has ears, let him hear."

Luke 21:15

for I will give you a mouth and wisdom which none of your adversaries will be able to resist or contradict.

Ephesians 6:19

and also pray for me, that in the opening of my mouth, utterance may be given me so that I will fearlessly make known the mystery of the gospel,

Revelation 22:10-11

And he said to me, "Do not seal up the words of the prophecy of this book, for the time is near.

Treasury of Scripture Knowledge

Summary

But when I speak with thee, I will open thy mouth, and thou shalt say unto them, Thus saith the Lord GOD; He that heareth, let him hear; and he that forbeareth, let him forbear: for they are a rebellious house.

Bible References

I will

Luke 21:15
for I will give you a mouth and wisdom which none of your adversaries will be able to resist or contradict.
Ephesians 6:19
and also pray for me, that in the opening of my mouth, utterance may be given me so that I will fearlessly make known the mystery of the gospel,

Thus

Matthew 11:15
He who has ears to hear, let him hear.
Matthew 13:9
He who has ears, let him hear."
Revelation 22:10
And he said to me, "Do not seal up the words of the prophecy of this book, for the time is near.