8 Bible Verses about Lack Of Expectation

As it was during the days of Noah, so it will be when the presence of the Son of man [arrives]. For in those days before the Flood, people were eating and drinking [i.e., partaking of ordinary meals], men were getting married and women were being given away in marriage [right up] until the day Noah entered the ship. And the people [i.e., of Noah's day] did not know [when it would happen] until the Flood came and swept them all away. It will be the same way when the presence of the Son of man [arrives].read more.
At that time there will be two men [working] in a field; one will be taken [i.e., to be with the Lord. See I Thess. 4:17], while the other one will be left [i.e., to be punished by the Lord. See II Thess. 1:7-9]. Two women will be grinding grain at a millstone [Note: This was a hand-operated device where two persons sat across from each other and rotated a circular stone over kernels of grain]; one will be taken, while the other one will be left.

So, you also should be ready, for the Son of man will return at a time when you least expect Him."

Therefore, you also should be ready, for the Son of man will come at a time when you least expect Him.

that slave's master will return on a day that he least expects, and at an unknown hour.

that slave's master will return on a day that he least expects, and at an hour unknown [to him]. And [that master] will whip him to shreds and will turn him over to suffer the same fate as unfaithful servants receive.

The wind blows wherever it wants to, and you can hear the sound of it, without knowing where it came from or where it is going. So it is with everyone who is born from the Holy Spirit."

[Jesus continued], "I have told you these things so that you men would not fall away [i.e., from the faith].

And they did not [just] do as we had hoped, but they gave themselves first to the Lord and [then] to us through the will of God.