the economist albert herschman and i'll read the beginning.vity always comes as a surprise to us. therefore we can never count on it and we dare not believe in it until it has happened." explain why you picked that quote, why that's important to you in your process. >> is anyone who has read any albert herschman knows he's one of the great figures of the 20th century. he's just a brilliant economist. he was deeply attracted to the mystery of the creative process. and the idea that if we try to explain and predict our own behavior we will invariably be wrong. and i love that. i love the acknowledgment that when i started out on a project i have no idea where i'm going to end up and that's why i start out on the project, that's the fun. >> john: if you know where you're going, you're off-base. >> also it's boring. >> john: malcolm gladwell, always a pleasure. thank you. there's more to come on "cbs evening news plus" including this story. >> this is kind of the final frontier for autonomous ride hailing service waymo. i'm talking about the freew