And indeed if you think you're a genius at something, what you achieve is very much according to your expectations; if you think you're no good, you're not going to get anywhere.
“Research programmes, besides their negative heuristic, are also characterized by their positive heuristic.”
“There seems to be one quality of mind which seems to be of special and extreme advantage in leading him to make discoveries. It was the power of never letting exceptions go unnoticed.”