"The first principle is that you must not fool yourself - and you are the easiest to fool. "

"Physics is like sex. Sure, it may give some practical results, but that's not why we do it. "

"I think it's much more interesting to live not knowing than to have answers which might be wrong. "

"If you think you understand quantum mechanics you don't understand quantum mechanics  "

"For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled. "