Matthew 11:15

He who has an ear, let him listen to this.

Matthew 13:9

He who has an ear, let him listen to this."

Luke 21:15

for I will give you words and wisdom that not one of your opponents will be able to meet or refute.

Ephesians 6:19

and on my behalf also, that I may be allowed to speak and open my lips in order to expound fully and freely that open secret of the gospel

Revelation 22:10-11

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 words and wisdom that not one of your opponents will be able to meet or refute.
Ephesians 6:19
and on my behalf also, that I may be allowed to speak and open my lips in order to expound fully and freely that open secret of the gospel

Thus

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