2 Corinthians 1:17-19

17 This, therefore, counselling, did I then use the lightness; or the things that I counsel, according to the flesh do I counsel, that it may be with me Yes, yes, and No, no?

18 and God [is] faithful, that our word unto you became not Yes and No,

19 for the Son of God, Jesus Christ, among you through us having been preached — through me and Silvanus and Timotheus — did not become Yes and No, but in him it hath become Yes;