Genesis 27:21-23

Young's Literal Translation

²¹ And Isaac saith unto Jacob, `Come nigh, I pray thee, and I feel thee, my son, whether thou [art] he, my son Esau, or not.'

²² And Jacob cometh nigh unto Isaac his father, and he feeleth him, and saith, `The voice [is] the voice of Jacob, and the hands hands of Esau.'

²³ And he hath not discerned him, for his hands have been hairy, as the hands of Esau his brother, and he blesseth him,