But let your communication be, Yea, yea; Nay, nay: for whatsoever is more than these comes from evil.
All Commentaries on Matthew 5:37 Go To Matthew 5
Hilary of Poitiers
AD 368
Otherwise; They who live in the simplicity of the faith have not need to swear, with them ever, what is is, what is not is not; by this their life and their conversation are ever preserved in truth.