Revelation 13:9
If anyone has an ear, he should listen [to this].
Revelation 2:7
"The person who has an ear should listen to what the Holy Spirit is saying to the churches. To the person who has victory [in the Christian life] I will give [the opportunity] to eat from the tree of life, which is in the Paradise of God." [Note: "Paradise" is equivalent to heaven. See II Cor. 12:4].
Revelation 2:11
"The person who has an ear should listen to what the Holy Spirit is saying to the churches. The person who has victory [in the Christian life] will not be harmed at all by the second death [i.e., the lake of fire. See 21:8].
Revelation 2:17
"The person who has an ear should listen to what the Holy Spirit is saying to the churches. To the person who has victory [in the Christian life] I will give some of the hidden manna, and I will [also] give him a white stone with a new name written on it, which no one understands, except the one who receives it."
Revelation 2:29
The person who has an ear should listen to what the Holy Spirit is saying to the churches."
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