The word in hebrew for hand is יד,the word enough is די,both words have the same letters.A possible lesson in the connection could be that our hands are the final frontier before temptation ,greed etc , before we actualize our gift of choice, before we reach out , the tipping point of our greatness, our unique potential,to quantum leapוד forward in the quality of life achievement, happiness , fulfillment and closeness to G-D.We just have to when and how to say די.....enough