2 Samuel 21:15

Now the Philistines were at war again with Israel. David went down with his servants, and as they fought against the Philistines, David became weary.

2 Samuel 5:17

When the Philistines heard that David had been anointed king over Israel, all the Philistines went up to look for him, but he heard about it and went down to the stronghold.

2 Samuel 5:22

The Philistines came up once again and spread out in the Valley of Rephaim.

Joshua 14:10-11

And now, look, the Lord has let me live, just as He said, these forty-five years since the Lord spoke this word to Moses, when Israel wandered in the wilderness; and now, look at me, I am eighty-five years old today.

2 Samuel 5:25

David did just as the Lord had commanded him, and struck down the Philistines from Geba as far as Gezer.

1 Chronicles 20:4

Now it came about after this that war broke out at Gezer with the Philistines; then Sibbecai the Hushathite killed Sippai, one of the descendants of the giants, and they were subdued.

Psalm 71:9


Do not cast me off nor send me away in the time of old age;
Do not abandon me when my strength fails and I am weak.

Psalm 71:18


And even when I am old and gray-headed, O God, do not abandon me,
Until I declare Your [mighty] strength to this generation,
Your power to all who are to come.

Psalm 73:26


My flesh and my heart may fail,
But God is the rock and strength of my heart and my portion forever.

Ecclesiastes 12:3

in the day when the keepers of the house (hands, arms) tremble, and the strong men (feet, knees) bow themselves, and the grinders (molar teeth) cease because they are few, and those (eyes) who look through the windows grow dim;

Isaiah 40:28-30


Do you not know? Have you not heard?
The Everlasting God, the Lord, the Creator of the ends of the earth
Does not become tired or grow weary;
There is no searching of His understanding.

Jeremiah 9:23-24

Thus says the Lord, “Let not the one who is wise and skillful boast in his insight; let not the one who is mighty and powerful boast in his strength; let not the one who is rich boast in his [temporal satisfactions and earthly] abundance;

1 Peter 1:24-25

For,All flesh is like grass,
And all its glory like the flower of grass.
The grass withers
And the flower falls off,

Treasury of Scripture Knowledge

Summary

Moreover the Philistines had yet war again with Israel; and David went down, and his servants with him, and fought against the Philistines: and David waxed faint.

Bible References

The philistines

2 Samuel 5:17
When the Philistines heard that David had been anointed king over Israel, all the Philistines went up to look for him, but he heard about it and went down to the stronghold.
1 Chronicles 20:4
Now it came about after this that war broke out at Gezer with the Philistines; then Sibbecai the Hushathite killed Sippai, one of the descendants of the giants, and they were subdued.

And david waxed faint

Joshua 14:10
And now, look, the Lord has let me live, just as He said, these forty-five years since the Lord spoke this word to Moses, when Israel wandered in the wilderness; and now, look at me, I am eighty-five years old today.
Psalm 71:9

Do not cast me off nor send me away in the time of old age;
Do not abandon me when my strength fails and I am weak.
Psalm 73:26

My flesh and my heart may fail,
But God is the rock and strength of my heart and my portion forever.
Ecclesiastes 12:3
in the day when the keepers of the house (hands, arms) tremble, and the strong men (feet, knees) bow themselves, and the grinders (molar teeth) cease because they are few, and those (eyes) who look through the windows grow dim;
Isaiah 40:28

Do you not know? Have you not heard?
The Everlasting God, the Lord, the Creator of the ends of the earth
Does not become tired or grow weary;
There is no searching of His understanding.
Jeremiah 9:23
Thus says the Lord, “Let not the one who is wise and skillful boast in his insight; let not the one who is mighty and powerful boast in his strength; let not the one who is rich boast in his [temporal satisfactions and earthly] abundance;
1 Peter 1:24
For,All flesh is like grass,
And all its glory like the flower of grass.
The grass withers
And the flower falls off,