וְנָתַתִּ֥י לָכֶ֛ם רֹעִ֖ים כְּלִבִּ֑י וְרָע֥וּ אֶתְכֶ֖ם דֵּעָ֥ה וְהַשְׂכֵּֽיל׃
and I will give you shepherds according to My heart, who shall feed you with knowledge and understanding.
Read kabbalistic (mystical) interpretation of Jeremiah 3:15: and classical mystical sources.