He's saying that he wants both: fast design and fast performance. I think what he means is that 'safety, type systems, homoiconicity...' may or may not be impo

He's saying that he wants both: fast design and fast performance. I think what he means is that 'safety, type systems, homoiconicity...' may or may not be important, but he's more worried about the end result. So if other people want to work on those things, good for them. He's going to be working on his own stuff.