הֲתִשְׁכַּ֤ח אִשָּׁה֙ עוּלָ֔הּ מֵרַחֵ֖ם בֶּן־בִּטְנָ֑הּ גַּם־אֵ֣לֶּה תִשְׁכַּ֔חְנָה וְאָנֹכִ֖י לֹ֥א אֶשְׁכָּחֵֽךְ׃
Can a woman forget her sucking child, That she should not have compassion on the son of her womb? Yea, these may forget, Yet will not I forget thee.
Read kabbalistic (mystical) interpretation of Isaiah 49:15: and classical mystical sources.