Luke 21:34-36
But watch yourselves, or your hearts will be weighed down by dissipation, drunkenness, and the worries of life--and that day will spring upon you suddenly like a snare. . . .

Matthew 24:42, 44
Therefore keep watch, because you do not know the day on which your Lord will come. . . .

Matthew 25:13
Therefore keep watch, because you do not know the day or the hour.

Mark 13:33-36
Be on your guard and stay alert! For you do not know when the appointed time will come. . . .

Romans 13:11, 14
And do this, understanding the occasion. The hour has come for you to wake up from your slumber, for our salvation is nearer now than when we first believed. . . .

1 Thessalonians 5:6
So then, let us not sleep as the others do, but let us remain awake and sober.

2 Peter 3:12-14
as you anticipate and hasten the coming of the day of God, when the heavens will be dissolved by fire and the elements will melt in the heat. . . .

Revelation 19:7
Let us rejoice and celebrate and give Him the glory. For the marriage of the Lamb has come, and His bride has made herself ready.