וְגַ֣ם אָנֹכִ֗י הִשְׁאִלְתִּ֙הוּ֙ לַֽיהוָ֔ה כָּל־הַיָּמִים֙ אֲשֶׁ֣ר הָיָ֔ה ה֥וּא שָׁא֖וּל לַֽיהוָ֑ה וַיִּשְׁתַּ֥חוּ שָׁ֖ם לַיהוָֽה׃ (פ)
therefore I also have lent him to the LORD; as long as he liveth he is lent to the LORD.’ And he worshipped the LORD there.
Read kabbalistic (mystical) interpretation of I Samuel 1:28: and classical mystical sources.