New Living Translation (©2007)
"I am an old man now," Isaac said, "and I don't know when I may die.

English Standard Version (©2001)
He said, “Behold, I am old; I do not know the day of my death.

New American Standard Bible (©1995)
Isaac said, "Behold now, I am old and I do not know the day of my death.

GOD'S WORD® Translation (©1995)
Isaac said, "I'm old. I don't know when I'm going to die.

King James Bible
And he said, Behold now, I am old, I know not the day of my death:

American King James Version
And he said, Behold now, I am old, I know not the day of my death:

American Standard Version
And he said, Behold now, I am old, I know not the day of my death.

Bible in Basic English
And he said, See now, I am old, and my death may take place at any time:

Douay-Rheims Bible
And his father said to him: Thou seest that I am old, and know not the day of my death.

Darby Bible Translation
And he said, Behold now, I am become old; I know not the day of my death.

English Revised Version
And he said, Behold now, I am old, I know not the day of my death.

Webster's Bible Translation
And he said, Behold now, I am old, I know not the day of my death:

World English Bible
He said, "See now, I am old. I don't know the day of my death.

Young's Literal Translation
And he saith, 'Lo, I pray thee, I have become aged, I have not known the day of my death;