Jamieson, Fausset & Brown, on 1Cor 7:5

“Defraud not one another, except, perhaps, by consent, for a time, that you may give yourselves to prayer; and return together again, lest Satan tempt you for your incontinency.”

“Defraud . . . not--namely, of the conjugal duty "due" (Co1 7:3; compare the Septuagint, Exo 21:10). except it be--"unless perchance" [ALFORD]. give yourselves to--literally, "be at leisure for"; be free from interruptions for; namely, on some special "season," as the Greek for "time" means (compare Exo 19:15; Joe 2:16; Zac 7:3). fasting and prayer--The oldest manuscripts omit "fasting and"; an interpolation, evidently, of ascetics. come together--The oldest manuscripts read, "be together," namely, in the regular state of the married. Satan--who often thrusts in his temptations to unholy thoughts amidst the holiest exercises. for your incontinency--because of your inability to "contain" (Co1 7:9) your natural propensities, which Satan would take advantage of.”

Imported from an open dataset — not yet checked against the printed edition.