Psalms 8:3 Kabbalah

מִפִּ֤י עֽוֹלְלִ֨ים ׀ וְֽיֹנְקִים֮ יִסַּ֪דְתָּ֫ עֹ֥ז לְמַ֥עַן צוֹרְרֶ֑יךָ לְהַשְׁבִּ֥ית א֝וֹיֵ֗ב וּמִתְנַקֵּֽם׃

Out of the mouth of babes and sucklings hast Thou founded strength, Because of Thine adversaries; That Thou mightest still the enemy and the avenger.

Read kabbalistic (mystical) interpretation of Psalms 8:3: and classical mystical sources.