Williams(i)
17 Now I did not resort to fickleness, did I, in planning that? Or, do I make my plans in accordance with worldly notions, to have my "Yes" mean "No," if I want it so?
18 As certainly as God is to be trusted, my message to you has not been a "Yes" that might mean "No."
19 For God's Son, Christ Jesus, who was preached among you by us, Silvanus, Timothy, and me, did not become a "Yes" that might mean "No."