Genesis 27:1-2 New King James Version (NKJV)
Isaac Blesses Jacob
27 Now it came to pass, when Isaac was old and his eyes were so dim that he could not see, that he called Esau his older son and said to him, “My son.”
And he answered him, “Here I am.”
2 Then he said, “Behold now, I am old. I do not know the day of my death.