English Standard Version
and said, "By myself I have sworn, declares the LORD, because you have done this and have not withheld your son, your only son,New International Version
and said, "I swear by myself, declares the LORD, that because you have done this and have not withheld your son, your only son,Catholic Public Domain Version
"By my own self, I have sworn, says the Lord. Because you have done this thing, and have not spared your only begotten son for my sake