1 Thessalonians 5:2-3
for you know perfectly well that the day of the Lord [i.e., when He returns, See II Thess. 2:1-2] will arrive like a thief coming in the night.
Hebrews 11:28
By [having] faith, he established the Passover Festival [Note: This festival was first celebrated in Egypt by the fleeing Israelites, then observed annually in commemoration of that event], and had [lambs'] blood sprinkled [on the door jambs] to prevent the one who destroyed the firstborn children from touching them. [See Ex. 12:23].
Hebrews 12:23
and to the church of the firstborn ones [i.e., those who have received an inheritance from their Father], whose names are recorded in heaven. [See Luke 10:20]. [You have come] to God, who is the Judge of all people, and to the spirits of righteous people who have become [morally] perfect [i.e., that great company of God's people who have gone on to their heavenly reward],