Why Dabbling Will Sink You (And How to Go Deep Instead)

The difference between surface-level knowledge and real mastery.

I’m still reading The Intellectual Life by A.G. Sertillanges, and something he wrote stuck with me.

He talks about the danger of settling for “a tincture of knowledge”—that superficial layer of understanding that makes you feel smart but doesn’t make you effective.

Sound familiar?

How many agents do you know who have just enough investor knowledge to sprin…