2 Samuel 21:15

And the Philistines made war again with Israel; and David went down, and his slaves with him, and fought against the Philistines; and David became weary.

2 Samuel 5:17

But when the Philistines heard that they had anointed David king over Israel, all the Philistines came up to seek David, and David heard of it and went down to the fortress.

2 Samuel 5:22

And the Philistines came up yet again and spread themselves in the valley of Rephaim.

Joshua 14:10-11

And now, behold, the LORD has caused me to live, as he said, these forty-five years from the time that the LORD spoke these words unto Moses, while Israel has walked in the wilderness; and now, behold, I am this day eighty-five years old.

2 Samuel 5:25

And David did so as the LORD had commanded him and smote the Philistines from Geba unto Gazer.

1 Chronicles 20:4

And it came to pass after this that there arose war at Gezer with the Philistines at which time Sibbechai the Hushathite, slew Sippai, of the lineage of the giant; and they were subdued.

Psalm 71:9

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

Psalm 71:18

Now also when I am old and grayheaded, O God, forsake me not until I have showed the strength of thy arm unto the next generation and thy power to every one that is to come,

Psalm 73:26

My flesh and my heart fail; the strength of my heart is that God is my portion for ever.

Ecclesiastes 12:3

In the day when the keepers of the house shall tremble and the strong men shall bow themselves and the grinders cease because they are few and those that look out of the windows are darkened;

Isaiah 40:28-30

Hast thou not known? Hast thou not heard that the God of the age is the LORD, the Creator of the ends of the earth? He does not faint, nor is he weary; and there is no one that can attain to his intelligence.

Jeremiah 9:23-24

Thus hath the LORD said, Let not the wise man glory in his wisdom, neither let the mighty man glory in his might, let not the rich man glory in his riches;

1 Peter 1:24-25

For all flesh is as grass, and all the glory of man as the flower of grass. The grass withers, and its flower falls away,

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
But when the Philistines heard that they had anointed David king over Israel, all the Philistines came up to seek David, and David heard of it and went down to the fortress.
1 Chronicles 20:4
And it came to pass after this that there arose war at Gezer with the Philistines at which time Sibbechai the Hushathite, slew Sippai, of the lineage of the giant; and they were subdued.

And david waxed faint

Joshua 14:10
And now, behold, the LORD has caused me to live, as he said, these forty-five years from the time that the LORD spoke these words unto Moses, while Israel has walked in the wilderness; and now, behold, I am this day eighty-five years old.
Psalm 71:9
Do not cast me off in the time of old age; do not forsake me when my strength fails.
Psalm 73:26
My flesh and my heart fail; the strength of my heart is that God is my portion for ever.
Ecclesiastes 12:3
In the day when the keepers of the house shall tremble and the strong men shall bow themselves and the grinders cease because they are few and those that look out of the windows are darkened;
Isaiah 40:28
Hast thou not known? Hast thou not heard that the God of the age is the LORD, the Creator of the ends of the earth? He does not faint, nor is he weary; and there is no one that can attain to his intelligence.
Jeremiah 9:23
Thus hath the LORD said, Let not the wise man glory in his wisdom, neither let the mighty man glory in his might, let not the rich man glory in his riches;
1 Peter 1:24
For all flesh is as grass, and all the glory of man as the flower of grass. The grass withers, and its flower falls away,