His father said to him: "You see that I am old, and I do not know the day of my death
Other versions
King James Version
And he said, Behold now, I am old, I know not the day of my death:English Standard Version
He said, "Behold, I am old; I do not know the day of my death.New International Version
Isaac said, "I am now an old man and don't know the day of my death.