My general rule is that if everyone knew how to cook fresh produce from their local area, and Monday to Thursday within 20 minutes, you know, there's millions of recipes out there to be had. ↗
I went out to Charing Cross to see Major General Harrison hanged, drawn, and quartered; which was done there, he looking as cheerful as any man could in that condition. ↗
I remember being awed by it - the uniqueness and nicety of style - and I suspect I was a bit jealous because we were more or less of the same generation. ↗
At least for the people who send me mail about a new language that they're designing, the general advice is: do it to learn about how to write a compiler. ↗