Revelation 2:17

He who has an ear, let him hear what the Spirit says to the churches. To him who overcomes I will give some of the hidden manna. And I will give him a white stone, with a new name written on the stone which no one knows except him who receives it.'

Revelation 2:7

He who has an ear, let him hear what the Spirit says to the churches. To him who overcomes, I will give the right to eat from the tree of life, which is in the Paradise of God.'

Revelation 2:11

He who has an ear, let him hear what the Spirit says to the churches. He who overcomes will not be hurt at all by the second death.'

Matthew 13:11

And he answered them, "To you it has been given to know the secrets of the kingdom of heaven, but to them it has not been given.

John 4:32

But he said to them, "I have food to eat of which you do not know."

John 6:48-58

I am the bread of life.

1 Corinthians 2:14

But the natural man does not accept the things of the Spirit of God, for they are foolishness to him; and he cannot understand them, because they are spiritually discerned.

Colossians 3:3

For you have died, and your life is hidden with Christ in God.

Revelation 3:6

He who has an ear, let him hear what the Spirit says to the churches.'

Revelation 3:12-13

He who overcomes, I will make him a pillar in the temple of my God, and he shall never go out of it. And I will write on him the name of my God and the name of the city of my God, the New Jerusalem, which comes down out of heaven from my God. And I will write on him my new name.

Revelation 3:22

He who has an ear, let him hear what the Spirit says to the churches.'"

Revelation 14:3

And they sang a new song before the throne and before the four living creatures and before the elders. No one could learn the song except the hundred and forty-four thousand who had been redeemed from the earth.

Revelation 19:12-13

His eyes are like a flame of fire, and on his head are many diadems; and he has a name written on him which no one knows but himself.

Treasury of Scripture Knowledge

Summary

He that hath an ear, let him hear what the Spirit saith unto the churches; To him that overcometh will I give to eat of the hidden manna, and will give him a white stone, and in the stone a new name written, which no man knoweth saving he that receiveth it.

Bible References

Hath

Revelation 2:7
He who has an ear, let him hear what the Spirit says to the churches. To him who overcomes, I will give the right to eat from the tree of life, which is in the Paradise of God.'
Revelation 3:6
He who has an ear, let him hear what the Spirit says to the churches.'

To eat

Matthew 13:11
And he answered them, "To you it has been given to know the secrets of the kingdom of heaven, but to them it has not been given.
John 4:32
But he said to them, "I have food to eat of which you do not know."
John 6:48
I am the bread of life.
Colossians 3:3
For you have died, and your life is hidden with Christ in God.

A new

Revelation 3:12
He who overcomes, I will make him a pillar in the temple of my God, and he shall never go out of it. And I will write on him the name of my God and the name of the city of my God, the New Jerusalem, which comes down out of heaven from my God. And I will write on him my new name.
Revelation 19:12
His eyes are like a flame of fire, and on his head are many diadems; and he has a name written on him which no one knows but himself.

Saving

1 Corinthians 2:14
But the natural man does not accept the things of the Spirit of God, for they are foolishness to him; and he cannot understand them, because they are spiritually discerned.

General references

Matthew 11:15
He who has ears to hear, let him hear.
Matthew 13:9
He who has ears, let him hear."
Mark 4:23
If anyone has ears to hear, let him hear."
Mark 7:16
(...)
Hebrews 10:15
And the Holy Spirit also bears witness to us; for after saying,
Revelation 3:22
He who has an ear, let him hear what the Spirit says to the churches.'"
Revelation 13:9
If anyone has an ear, let him hear.