Genesis 27:18 - Exposition

And he came unto his father ,—by this time a bed-ridden invalid ( vide Genesis 27:19 )— and said, My father . If he attempted to imitate the voice of Esau, he was manifestly unsuccessful; the dull ear of the aged patient was yet acute enough to detect a strangeness in the speaker's tone. And he said, Here am I who art thou, my son ? "He thought be recognized the voice of Jacob; his suspicions were aroused; he knew the crafty disposition of his younger son too well; and he felt the duty of extreme carefulness" (Kalisch).