לְהוֹדִֽיעֲךָ֗ קֹ֭שְׁטְ אִמְרֵ֣י אֱמֶ֑ת לְהָשִׁ֥יב אֲמָרִ֥ים אֱ֝מֶ֗ת לְשֹׁלְחֶֽיךָ׃ (פ)
That I might make thee know the certainty of the words of truth, That thou mightest bring back words of truth to them that send thee?
Read kabbalistic (mystical) interpretation of Proverbs 22:21: and classical mystical sources.