New Revised Standard Version
the covenant that you kept for your servant my father David as you declared to him; you promised with your mouth and have this day fulfilled with your hand.

Contemporary English Version
My father David was your servant, and today you have kept every promise you made to him.

New American Bible
the covenant that you kept toward your servant, David my father, what you promised him; your mouth has spoken and your hand has fulfilled this very day.

Douay-Rheims Bible
Who hast kept with thy servant David, my father, what thou hast promised him: with thy mouth thou didst speak, and with thy hands thou hast performed, as this day proveth.

Who hast kept with thy servant David, my father, what thou hast promised him: with thy mouth thou didst speak, and with thy hands thou hast performed, as this day proveth.

thou spakest

1 Kings 8:15 And Solomon said: Blessed be the Lord the God of Israel, who spoke with his mouth to David, my father, and with his own hands hath accomplished it, saying:

2 Samuel 7:12,16 And when thy days shall be fulfilled, and thou shalt sleep with thy fathers, I will raise up thy seed after thee, which shall proceed out of the bowels, and I will establish his kingdom. . . .

2 Chronicles 6:14,15 He said: O Lord God of Israel, there is no God like thee in heaven nor in earth: who keepest covenant and mercy with thy servants, that walk before thee with all their hearts: . . .