For the Lord (Jehovah; vide supra on Genesis 20:3) had fast closed up all the wombs—i.e. prevented conception, or produced barrenness (cf. Genesis 16:2; Isaiah 66:9; 1 Samuel 1:5, 1 Samuel 1:6; for the opposite, Genesis 29:31; Genesis 30:22); "poena convenientissima; quid enim convenientius esse poterat, quam ut amittat, qui ad se rapit aliena" (Musculus). Vide Havernick, § 19—of the house of Abimelech, because of Sarah Abraham's wife—the motive obviously being to protect the purity of the promised seed.
HOMILETICS