He thinks that this way of thinking is extremely impractical. "The era of invention through 'trial and error' is over," he says. "You can't 'learn' how to invent without hitting the books."
他認為這種想法非常不實際，他說：「以『錯誤嘗試法』從事發明的時代經過去了，發明絕不是不念書可以『學』來的。」