But why? What’s so wrong with trying to learn new things? Here’s what Maya Angelou — herself a polymath (poet, journalist, dancer) — has to say about the saying:“It’s the stupidest thing I’ve ever heard,” Angelou said to the Smithsonian. “I think you can be a jack-of-all-trades and a mistress-of-all-trades. If you study it, and you put reasonable... See more