Revelation 3:2
Be watchful, and strengthen the things which remain, which are ready to die: for I have not found your works filled up in the sight of God.
1 Peter 4:7
Now the end of all things has approached; be, therefore, sober, and watch to prayer.
1 Peter 5:8
Be sober, be vigilant: your adversary, the devil, is walking about as a roaring lion, seeking whom he may devour:
Revelation 2:4
Nevertheless, I have against you that you have lost your first love.
Revelation 16:15
Behold, I come as a thief. Blessed is he that watches, and keeps his garments, that he may not walk naked, so that they should see his shame.