כְּמ֣וֹ שַׁ֭בְּלוּל תֶּ֣מֶס יַהֲלֹ֑ךְ נֵ֥פֶל אֵ֝֗שֶׁת בַּל־חָ֥זוּ שָֽׁמֶשׁ׃
Let them be as a snail which melteth and passeth away; Like the untimely births of a woman, that have not seen the sun.
Read kabbalistic (mystical) interpretation of Psalms 58:9: and classical mystical sources.