25 David made this a statute and ordinance for Israel from that day to this.

Read 1 Samuel 30:25 Using Other Translations

And it was so from that day forward, that he made it a statute and an ordinance for Israel unto this day.
And he made it a statute and a rule for Israel from that day forward to this day.
From then on David made this a decree and regulation for Israel, and it is still followed today.