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."

He who has an ear, let him hear
Matthew 11:15 "He who has ears, let him hear."
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." (Smyrna)
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. I will also give him a white stone with a new name written on it, known only to him who receives it." (Pergamum)
Revelation 2:29 "He who has an ear, let him hear what the Spirit says to the churches." (Thyatira) Also Revelation 3:6 (Sardis), Revelation 3:13 (Philadelphia), Revelation 3:22 (Laodicea) and Revelation 13:9

To him who overcomes
John 16:33 "I have told you these things, so that in me you may have peace. In this world you will have trouble. But take heart! I have overcome the world."
Revelation 2:11 (Smyrna, above) Also Revelation 2:17 (Pergamum, above), Revelation 2:26 (Thyatira), Revelation 3:5 (Sardis), Revelation 3:12 (Philadelphia) and Revelation 3:21 (Laodicea)

I will give the right to eat from the tree of life
Genesis 2:9 And the LORD God made all kinds of trees grow out of the ground--trees that were pleasing to the eye and good for food. In the middle of the garden were the tree of life and the tree of the knowledge of good and evil.
Genesis 3:22-24 And the LORD God said, "The man has now become like one of us, knowing good and evil. He must not be allowed to reach out his hand and take also from the tree of life and eat, and live forever." So the LORD God banished him from the Garden of Eden to work the ground from which he had been taken. After he drove the man out, he placed on the east side of the Garden of Eden cherubim and a flaming sword flashing back and forth to guard the way to the tree of life.
Revelation 22:2 ... down the middle of the great street of the city. On each side of the river stood the tree of life, bearing twelve crops of fruit, yielding its fruit every month. And the leaves of the tree are for the healing of the nations.
Revelation 22:14 "Blessed are those who wash their robes, that they may have the right to the tree of life and may go through the gates into the city."
Revelation 22:19 And if anyone takes words away from this book of prophecy, God will take away from him his share in the tree of life and in the holy city, which are described in this book.

which is in the paradise of God
Luke 23:43 Jesus answered him, "I tell you the truth, today you will be with me in paradise."

Scriptures taken from the Holy Bible, New International Version® NIV®, Copyright© 1973, 1978, 1984 by International Bible Society. Used by permission. All rights reserved worldwide.