... that I take this obligation freely, without any mental reservation or purpose of evasion; and that I will well and faithfully discharge the duties upon which I am about to enter.
(California Constitution, Article XX, Section 3)
But unto Cain and to his offering he had not respect. And Cain was very wroth, and his countenance fell.
(Genesis 4:5 (KJV))
I have been faithful to thee, Cynara! in my fashion.
(Ernest Dowson, "Non sum qualis eram bonae sub regno Cynarae")