I have sworn this quest on my own honor, to free one who was a friend to me.

That is just the sort of thing I will be sworn, on my honor, to prevent.

I want you to swear to me, on your honor, that you'll stay out of trouble.

I swear on my honor, no one will hurt you.

I swear it on my honor, before the law and my country.

I swear it before you all, on my honor.

Had sworn on his honor that he would keep himself clean.

I swear on my honor as a scholar of the Institute.

I swear it on my honor as an officer and a gentleman.

The children are happy to swear on their honor.