Ephrem the Syrian : Leah bore Reu-ben, Simeon, Levi and Judah and then ceased giving birth, whereas Rachel was barren. Because she heard Jacob say that Abraham had prayed over the barren Sarah and was heard and that Isaac had also prayed for Rebekah and was answered, she thought that it was because Jacob had not prayed for her that her closed womb had not been opened. For this reason, she said in anger and in tears, "Give me children, or I shall die!" — COMMENTARY ON Genesis 28.1.1