וַיִּמְלֹ֥ךְ דָּוִ֖יד עַל־כָּל־יִשְׂרָאֵ֑ל וַיְהִ֗י עֹשֶׂ֛ה מִשְׁפָּ֥ט וּצְדָקָ֖ה לְכָל־עַמּֽוֹ׃
Rashi on I Chronicles
justice and charity He retired from waging any more wars and from going forth and coming in battle, and he sat constantly and judged Israel fairly.