2nd Corinthians 1:18

15 In this confidence, I was determined to come first to you, that you might have a second benefit;

16 and by you to pass into Macedonia, and again from Macedonia to come to you, and to be sent forward by you on my journey to Judea.

17 When I therefore was thus determined, did I show fickleness? Or the things that I purpose, do I purpose according to the flesh, that with me there should be the "Yes, yes" and the "No, no?"

18 But as God is faithful, our word toward you was not "Yes and no."

19 For the Son of God, Jesus Christ, who was preached among you by us, by me, Silvanus, and Timothy, was not "Yes and no," but in him is "Yes."

20 For however many are the promises of God, in him is the "Yes." Therefore also through him is the "Amen," to the glory of God through us.

21 Now he who establishes us with you in Christ, and anointed us, is God;