Ecclesiastes 2:9 Halakhah

וְגָדַ֣לְתִּי וְהוֹסַ֔פְתִּי מִכֹּ֛ל שֶׁהָיָ֥ה לְפָנַ֖י בִּירוּשָׁלִָ֑ם אַ֥ף חָכְמָתִ֖י עָ֥מְדָה לִּֽי׃

So I was great, and increased more than all that were before me in Jerusalem; also my wisdom stood me in stead.

Read halakhic rulings (Jewish law) on Ecclesiastes 2:9: and classical halakhic sources.