ESV: For our boast is this, the testimony of our conscience, that we behaved in the world with simplicity and godly sincerity, not by earthly wisdom but by the grace of God, and supremely so toward you.
NIV: Now this is our boast: Our conscience testifies that we have conducted ourselves in the world, and especially in our relations with you, with integrity and godly sincerity. We have done so, relying not on worldly wisdom but on God’s grace.
NASB: For our proud confidence is this: the testimony of our conscience, that in holiness and godly sincerity, not in fleshly wisdom but in the grace of God, we have conducted ourselves in the world, and especially toward you.
CSB: Indeed, this is our boast: The testimony of our conscience is that we have conducted ourselves in the world, and especially toward you, with godly sincerity and purity, not by human wisdom but by God’s grace.
NLT: We can say with confidence and a clear conscience that we have lived with a God-given holiness and sincerity in all our dealings. We have depended on God’s grace, not on our own human wisdom. That is how we have conducted ourselves before the world, and especially toward you.
KJV: 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.
NKJV: For our boasting is this: the testimony of our conscience that we conducted ourselves in the world in simplicity and godly sincerity, not with fleshly wisdom but by the grace of God, and more abundantly toward you.