Matthew 25:7
The virgins awoke and trimmed their lamps.
Luke 12:35
Gird your loins (strengthen yourselves) and light your lamps.
2 Peter 3:14
Seeing that you anticipate these things, be diligent that you may be found in peace, without spot and blameless in his sight.
Revelation 2:4-5
However I have this against you: you do not love me now as you did at first.
Revelation 3:2
Be watchful, and strengthen the things that remain that are at the point of death: for I have not found your works perfect (completed) before God.
Revelation 3:19-20
I reprove and discipline those whom I love: be zealous therefore, and repent.