Genesis 27:2

2 Isaac said, “I am now an old man and don’t know the day of my death.

Read Genesis 27:2 Using Other Translations

And he said, Behold now, I am old, I know not the day of my death:
He said, "Behold, I am old; I do not know the day of my death.
“I am an old man now,” Isaac said, “and I don’t know when I may die.