וִיהִ֤י בֵֽיתְךָ֙ כְּבֵ֣ית פֶּ֔רֶץ אֲשֶׁר־יָלְדָ֥ה תָמָ֖ר לִֽיהוּדָ֑ה מִן־הַזֶּ֗רַע אֲשֶׁ֨ר יִתֵּ֤ן יְהוָה֙ לְךָ֔ מִן־הַֽנַּעֲרָ֖ה הַזֹּֽאת׃
and let thy house be like the house of Perez, whom Tamar bore unto Judah, of the seed which the LORD shall give thee of this young woman.’
Read Kabbalistic (mystical) interpretations of Ruth 4:12: Zohar and classical Jewish mystical sources, free online.