¹¹ Never be lacking in zeal, but keep your spiritual fervor,^(A) serving the Lord.

¹⁷ Those people are zealous to win you over, but for no good. What they want is to alienate you from us, so that you may have zeal for them.^{(A) 18} It is fine to be zealous, provided the purpose is good, and to be so always, not just when I am with you.^(B)

⁵ For this very reason, make every effort to add to your faith goodness; and to goodness, knowledge;^{(A) 6} and to knowledge, self-control;^(B) and to self-control, perseverance;^(C) and to perseverance, godliness;^{(D) 7} and to godliness, mutual affection; and to mutual affection, love.^(E)

²⁸ “Suppose one of you wants to build a tower. Won’t you first sit down and estimate the cost to see if you have enough money to complete it? ²⁹ For if you lay the foundation and are not able to finish it, everyone who sees it will ridicule you, ³⁰ saying, ‘This person began to build and wasn’t able to finish.’

³¹ “Or suppose a king is about to go to war against another king. Won’t he first sit down and consider whether he is able with ten thousand men to oppose the one coming against him with twenty thousand? ³² If he is not able, he will send a delegation while the other is still a long way off and will ask for terms of peace.