Theophylact of Ohrid
Catena Aurea · Lukasevangelium 12
Let your loins be girded about, and your lights burning; And ye yourselves like unto men that wait for their lord, when he will return from the wedding; that when he cometh and knocketh, they may open unto him immediately. Blessed are those servants, whom the lord when he cometh shall find watching: verily I say unto you, that he shall gird himself, and make them to sit down to meat, and will come forth and serve them. And if he shall come in the second watch, or in the third watch, and find them so, blessed are those servants. And this know, that if the goodman of the house had known what hour the thief would come, he would have watched, and not have suffered his house to be broken through. Be ye therefore ready also: for the Son of man cometh at an hour when ye think not.
Or, He will gird Himself, in that He imparts not the whole fulness of blessings, but confines it within a certain measure. For who can comprehend God how great He is? Therefore are the Seraphims said to veil their countenance, because of the excellence of the Divine brightness. It follows, and will make them to sit down; for as a man sitting down causes his whole body to rest, so in the future coming the Saints will have complete rest; for here they have not rest for the body, but there together with their souls their spiritual bodies partaking of immortality will rejoice in perfect rest.