Psalm 71:9

Do not cast me away in the time of old age; when my strength fails do not abandon me.

Psalm 71:18

And even when [I am] old and gray, O God, do not abandon me until I proclaim your {strength} to [this] generation, your power to every [one that] comes [after].

Isaiah 46:4

Even to [your] old age I [am] he; even to [your] advanced age I myself will support [you]. I myself have made [you], and I myself will carry [you], and I myself will support [you], and I will save [you].

2 Samuel 19:35

I [am] eighty years old today. Can I discern between good and bad? Or can your servant taste what I eat or what I drink? Or can I still hear the voice of singing men and women? Why should your servant be a burden any longer to my lord the king?

2 Samuel 21:15-17

There [was] war again for [the] Philistines with Israel, and David and his servants with him went down, and they fought [the] Philistines, and David grew weary.

Psalm 73:26

My flesh and heart failed, [but] God [is] the {strength} of my heart and my reward forever.

Psalm 90:10

As for the days of our years, within them [are] seventy years or if by strength eighty years, and their pride [is] trouble and disaster, for it passes quickly and we fly [away].

Psalm 92:13-15

Planted in the house of Yahweh, they will flourish in the courts of our God.

Ecclesiastes 12:1-7

Remember your Creator in the days of your youth-- before the days of trouble come and the years draw near when you will say, "I find no pleasure in them!"

2 Timothy 1:12

for which reason also I suffer these [things]. But [I am] not ashamed, because I know in whom I have believed, and I am convinced that he is able to guard [what] I have entrusted until that day.

2 Timothy 4:18

The Lord will rescue me from every evil deed, and will save [me] for his heavenly kingdom, to whom [be] the glory {forever and ever}. Amen.

Treasury of Scripture Knowledge

Summary

Cast me not off in the time of old age; forsake me not when my strength faileth.

General references

Bible References

When

Psalm 73:26
My flesh and heart failed, [but] God [is] the {strength} of my heart and my reward forever.
Psalm 90:10
As for the days of our years, within them [are] seventy years or if by strength eighty years, and their pride [is] trouble and disaster, for it passes quickly and we fly [away].
2 Samuel 19:35
I [am] eighty years old today. Can I discern between good and bad? Or can your servant taste what I eat or what I drink? Or can I still hear the voice of singing men and women? Why should your servant be a burden any longer to my lord the king?
2 Samuel 21:15
There [was] war again for [the] Philistines with Israel, and David and his servants with him went down, and they fought [the] Philistines, and David grew weary.
Ecclesiastes 12:1
Remember your Creator in the days of your youth-- before the days of trouble come and the years draw near when you will say, "I find no pleasure in them!"

General references

Isaiah 36:15
And [do] not let Hezekiah make you rely on Yahweh, saying, "Surely Yahweh will deliver us; this city will not be given into the hand of the king of Assyria!"