For our boast is this, the testimony of our conscience that we have behaved in the world, and still more toward you, with holiness and godly sincerity, not by earthly wisdom but by the grace of God.
Revised Standard Version of the Bible, copyright 1952 [2nd edition, 1971] by the Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved. (Revised Standard Version - Holy Bible)