KJV:
And now, behold, the king walketh before you: and I am old and grayheaded; and, behold, my sons are with you: and I have walked before you from my childhood unto this day.
NASB:
"Now, here is the king walking before you, but I am old and gray, and behold my sons are with you. And I have walked before you from my youth even to this day.