זִֽבְחֵ֣י אֱלֹהִים֮ ר֪וּחַ נִשְׁבָּ֫רָ֥ה לֵב־נִשְׁבָּ֥ר וְנִדְכֶּ֑ה אֱ֝לֹהִ֗ים לֹ֣א תִבְזֶֽה׃
The sacrifices of God are a broken spirit; a broken and a contrite heart, O God, Thou wilt not despise.
Read kabbalistic (mystical) interpretation of Psalms 51:19: and classical mystical sources.