בָּר֥וּךְ תִּֽהְיֶ֖ה מִכָּל־הָעַמִּ֑ים לֹא־יִהְיֶ֥ה בְךָ֛ עָקָ֥ר וַֽעֲקָרָ֖ה וּבִבְהֶמְתֶּֽךָ׃
Thou shalt be blessed above all peoples; there shall not be male or female barren among you, or among your cattle.
Read kabbalistic (mystical) interpretation of Deuteronomy 7:14: and classical mystical sources.