keeping a clear conscience, so that those who slander you may be put to shame by your good behavior in Christ.
16 With meekness This is a most necessary admonition; for unless our minds are endued with meekness, contentions will immediately break forth. And meekness is set in opposition to pride and vain ostentation, and also to excessive zeal. To this he justly adds fear; for where reverence for God prevails, it tames all the ferocity of our minds, and it will especially cause us to speak calmly of God’s mysteries.
The confession of a Christian's faith cannot credibly be supported but by the two means here specified - a good conscience and a good conversation. conscience is good when it does its office well, when it is kept pure and uncorrupt, and clear from guilt; then it will justify you, though men accuse you.
Commenting on 1 Peter 3:16-17
For it is better, if the will of God be so,.... For all things are ordered by the will of God, even all the sufferings and afflictions of the saints; and which is a reason why they ought to be patiently submitted to, and bore: and "better" it is, more honourable and profitable, that ye suffer for well doing; for believing in Christ, professing him...