2 Samuel 21:15
"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."
Cross References (ranked by relevance)
And David did so, as the LORD had commanded him; and smote the Philistines from Geba until thou come to Gazer.
And the Philistines came up yet again, and spread themselves in the valley of Rephaim.
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 be darkened,
And it came to pass after this, that there arose war at Gezer with the Philistines; at which time Sibbechai the Hushathite slew Sippai, that was of the children of the giant: and they were subdued.
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 hold.
Cast me not off in the time of old age; forsake me not when my strength faileth.
Now also when I am old and greyheaded, O God, forsake me not; until I have shewed thy strength unto this generation, and thy power to every one that is to come.
My flesh and my heart faileth: but God is the strength of my heart, and my portion for ever.