Matthew 24:40

Then shall two be in the field: one is taken, and one is left. Two women shall be grinding in the mill;

Matthew 24:50-51

The Lord of that servant shall come in a day that he expecteth him not, and in an hour that he is not aware of,

1 Thessalonians 5:2-3

For ye yourselves know perfectly, that the day of the Lord so cometh as a thief in the night.

Treasury of Scripture Knowledge

Summary

But God shall shoot at them with an arrow; suddenly shall they be wounded.

Bible References

Suddenly

Matthew 24:40
Then shall two be in the field: one is taken, and one is left. Two women shall be grinding in the mill;
1 Thessalonians 5:2
For ye yourselves know perfectly, that the day of the Lord so cometh as a thief in the night.