Revelation 2:11

He that has an ear, let him hear what the Spirit says to the churches. He that overcomes shall not be hurt by the second death.

Revelation 2:7

He that has an ear, let him hear what the Spirit says to the churches: To him that overcomes, I will give to eat of the tree of life, which is in the paradise of God.

Revelation 20:6

Blessed and holy is he that has part in the first resurrection; over such the second death has no power: but they shall be priests of God and of the Christ, and shall reign with him a thousand years.

Revelation 20:14

And death and hades were cast into the lake of fire: this is the second death.

Revelation 21:8

But the fearful, and the unbelieving, and the detestable, and murderers and lewd persons and sorcerers and idolaters and all liars, shall have their part in the lake that burns with fire and brimstone, which is the second death.

Revelation 2:17

He that has an ear, let him hear what the Spirit says to the churches. To him that overcomes, I will give of the hidden manna; and I will give him a white stone, and on the stone a new name written, which no one knows but he that receives it.

Revelation 13:9

If any one has an ear, let him hear.

Treasury of Scripture Knowledge

Summary

He that hath an ear, let him hear what the Spirit saith unto the churches; He that overcometh shall not be hurt of the second death.

Bible References

That hath

Revelation 2:7
He that has an ear, let him hear what the Spirit says to the churches: To him that overcomes, I will give to eat of the tree of life, which is in the paradise of God.
Revelation 13:9
If any one has an ear, let him hear.

The second

Revelation 20:6
Blessed and holy is he that has part in the first resurrection; over such the second death has no power: but they shall be priests of God and of the Christ, and shall reign with him a thousand years.
Revelation 21:8
But the fearful, and the unbelieving, and the detestable, and murderers and lewd persons and sorcerers and idolaters and all liars, shall have their part in the lake that burns with fire and brimstone, which is the second death.

General references

Matthew 11:15
He that has ears to hear, let him hear.
Matthew 13:9
He that has ears to hear, let him hear.
Mark 4:23
If any one has ears to hear, let him hear.
Mark 7:16
If any one has ears to hear, let him hear.
1 Corinthians 3:14
If any man's work abide, which he builds on this, he shall receive a reward;
Hebrews 10:15
And, indeed, the Holy Spirit is a witness for us. For after he had said before,
Revelation 3:22
He that has an ear, let him hear what the Spirit says to the churches.
Revelation 13:9
If any one has an ear, let him hear.