King James Version
Now also when I am old and grayheaded, O God, forsake me not; until I have shewed thy strength unto this generation, and thy power to every one that is to come.English Standard Version
So even to old age and gray hairs, O God, do not forsake me, until I proclaim your might to another generation, your power to all those to come.New International Version
Even when I am old and gray, do not forsake me, O God, till I declare your power to the next generation, your might to all who are to come.