Matthew 10:27

27What I say to you in the dark, tell in the light, and what is whispered in your ear,
Grk “what you hear in the ear,” an idiom.
proclaim from the housetops.
The expression “proclaim from the housetops” is an idiom for proclaiming something publicly (L&N 7.51). Roofs of many first century Jewish houses in Judea and Galilee were flat and had access either from outside or from within the house. Something shouted from atop a house would be heard by everyone in the street below.
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