Reference for Psalms 26:1

לְדָוִ֨ד ׀ שָׁפְטֵ֤נִי יְהוָ֗ה כִּֽי־אֲ֭נִי בְּתֻמִּ֣י הָלַ֑כְתִּי וּבַיהוָ֥ה בָּ֝טַ֗חְתִּי לֹ֣א אֶמְעָֽד׃

[A Psalm] of David. Judge me, O LORD, for I have walked in mine integrity, and I have trusted in the LORD without wavering.