Genesis 30:29-31

So Jacob said to him, “You know how I have served you and how your livestock has been with me. For what you had before I came was little, and it has increased to a great amount; the LORD has blessed you since my coming. And now, when shall I also provide for my own house?” So he said, “What shall I give you?” And Jacob said, “You shall not give me anything. If you will do this thing for me, I will again feed and keep your flocks