Most importantly, fear God. When you’re young and when you get old. Because that’s the one constant in life. Besides death, I mean. Life might be dark and full of terrors, but God is eternal. And inscrutable. And terrifying. Really freaking terrifying.
If you want to know more of my wisdom and get even more advice, then read my other book Proverbs
(And so ends Ecclesiastes. Next time, the Song of Songs wherein Solomon does the nasty!)