ט֛וֹב יֶ֥לֶד מִסְכֵּ֖ן וְחָכָ֑ם מִמֶּ֤לֶךְ זָקֵן֙ וּכְסִ֔יל אֲשֶׁ֛ר לֹא־יָדַ֥ע לְהִזָּהֵ֖ר עֽוֹד׃
Besser ein armer aber weiser Jüngling, als ein alter törichter König, der nicht belehrt werden kann.
Zohar
For we have learned that it says, "Better is a poor and wise child than an old and foolish king who knows not how to take care of himself" (Kohelet 4:13). "Better is a child," because a child represents the Good Inclination; it has been with man for only a short time. Since the age of thirteen years and onward, as we have already learned.