וּמַה־יּוֹסִ֥יף דָּוִ֛ד ע֖וֹד לְדַבֵּ֣ר אֵלֶ֑יךָ וְאַתָּ֛ה יָדַ֥עְתָּ אֶֽת־עַבְדְּךָ֖ אֲדֹנָ֥י יְהוִֽה׃
And what can David say more unto Thee? for Thou knowest Thy servant, O Lord GOD.
Read midrashic interpretation of II Samuel 7:20: and classical rabbinic exegesis.