[He must] hold on firmly to the trustworthy message, which is according to [our] teaching, so that he will be able both to exhort people with sound teaching and to convince those who contradict it.
But instead, set aside a place in your hearts where Christ is [in full control as] Lord, and be prepared always to give a suitable reply to every person who asks you for a reason why you have an inner hope. But [be sure you do it] in a meek and respectful way, however.
Do not repay a wrong action with [another] wrong action, nor abusive [language] with [additional] abuse, but rather be a blessing [to one another]. For the purpose of your being called [by God] was so that you could receive a blessing [from Him eventually].