If your mother tells you to do a thing, it is wrong to reply that you won't. It is better and more becoming to intimate that you will do as she bids you, and then afterwards act quietly in the matter according to the dictates of your better judgment.
I thought that continence was a matter of our own strength, and I knew that I had not the strength: for in my utter foolishness I did not know the word of Your Scripture that none can be continent unless You give it.