Genesis 31:6 in the King James Version
And ye know that with all my power I have served your father.
Context
5 and said to them, “I see the expression on your father’s face, that it is not toward me as before; but the God of my father has been with me.
6 You know that I have served your father with all of my strength.
7 Your father has deceived me, and changed my wages ten times, but God didn’t allow him to hurt me.