Bible Verses about “christian simplicity”

“‹But let your communication be, Yea, yea; Nay, nay: for whatsoever is more than these cometh of evil.›”

“He hath shewed thee, O man, what [is] good; and what doth the LORD require of thee, but to do justly, and to love mercy, and to walk humbly with thy God?”

“¶ For our rejoicing is this, the testimony of our conscience, that in simplicity and godly sincerity, not with fleshly wisdom, but by the grace of God, we have had our conversation in the world, and more abundantly to you-ward.”