Good design is thoughtful, opinionated, and fearless

> The way I structure them and lead them are heavily influenced by my past experiences, and it boils down to three core tenets:

> Third, and most important, I have three rules for operation:

So one of the three core tenets is the three rules for operation?

Well I read the rest of the article, and at the end I got to

> three most inspiring highlights about Steve:

Someone likes the number three, it seems.