“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.”
Luke 12:39 — Greek Interlinear
Church Fathers on Luke 12:39
Our Lord having taught His disciples moderation, taking from them all care and conceit of this life, now leads them on to serve and obey, saying, Let your loins be girded, that is, always ready to do the work of your Lord, and your lamps burning, that is, do not lead a life in darkness, but have with you the light of reason, showing you what to do and what to avoid. For this world is the night, but they have their loins girded, who follow a practical or active life. For such…
Or, he teaches us to keep our lamps burning, by prayer and contemplation and spiritual love.
Or, to be girded, signifies activity and readiness to undergo evils from regard to Divine love. But the burning of the lamp signifies that we should not suffer any to live in the darkness of ignorance.