וְעַתָּ֕ה שָׂ֥א נָ֖א אֶת־חַטָּאתִ֑י וְשׁ֣וּב עִמִּ֔י וְאֶֽשְׁתַּחֲוֶ֖ה לַֽיהוָֽה׃
Now therefore, I pray thee, pardon my sin, and return with me, that I may worship the LORD.’
Read kabbalistic (mystical) interpretation of I Samuel 15:25: and classical mystical sources.