וַאֲבִיכֶן֙ הֵ֣תֶל בִּ֔י וְהֶחֱלִ֥ף אֶת־מַשְׂכֻּרְתִּ֖י עֲשֶׂ֣רֶת מֹנִ֑ים וְלֹֽא־נְתָנ֣וֹ אֱלֹהִ֔ים לְהָרַ֖ע עִמָּדִֽי׃
And your father hath mocked me, and changed my wages ten times; but God suffered him not to hurt me.
Read halakhic rulings (Jewish law) on Genesis 31:7: and classical halakhic sources.