John Gill - Exposition
John Gill
This was done thrice,.... That is, either the voice spoke the same words three times, or the sheet was let down three times; and it may be both; it may be, that every time the voice was spoke, the sheet was let down: this was done, not with respect to any mystical meaning in the number three, but for the confirmation of Peter, that he might be the more firmly assured of the truth of the things...