1. “A man must have a certain amount of intelligent ignorance to get anywhere.”
2. “Every honest researcher I know admits he's just a professional amateur. He's doing whatever he's doing for the first time. That makes him an amateur. He has sense enough to know that he's going to have a lot of trouble, so that makes him a professional.”
3. “Nothing ever built arose to touch the skies unless some man dreamed that it should, some man believed that it could, and some man willed that it must.”
4. ”People are very open-minded about new things - as long as they're exactly like the old ones.”
5. ”People think of the inventor as a screwball, but no one ever asks the inventor what he thinks of other people.”
6. “Whenever you look at a piece of work and you think the fellow was crazy, then you want to pay some attention to that. One of you is likely to be, and you had better find out which one it is. It makes an awful lot of difference.”
7. “Where there is an open mind there will always be a frontier.”
