הֵן־אֱ֭מֶת חָפַ֣צְתָּ בַטֻּח֑וֹת וּ֝בְסָתֻ֗ם חָכְמָ֥ה תוֹדִיעֵֽנִי׃
Behold, Thou desirest truth in the inward parts; make me, therefore, to know wisdom in mine inmost heart.
Read midrashic interpretation of Psalms 51:8: and classical rabbinic exegesis.