"Nobody knows what they're capable of until they try it. Maybe half a percent of people have the brains and sheer determination to do this kind of thing. Start-

"Nobody knows what they're capable of until they try it. Maybe half a percent of people have the brains and sheer determination to do this kind of thing. Start-ups are hard but doable, in the way that running a five-minute mile is hard but doable." Worth remembering.