1 Samuel 12:2
And now, behold, the king walks before you: and I am old and gray headed; and, behold, my sons are with you: and I have walked before you from my childhood to this day.
Torrey's Topical Textbook—AKJV

Psalm 71:18
Now also when I am old and gray headed, O God, forsake me not; until I have showed your strength to this generation, and your power to every one that is to come.
Torrey's Topical Textbook—AKJV