There's another "Feynman Algorithm" which someone mentions towards the end of the article: he said he kept a small number of problems constantly in the back of

There's another "Feynman Algorithm" which someone mentions towards the end of the article: he said he kept a small number of problems constantly in the back of his mind and whenever he heard of a new trick or method, he tested it against his problems. I once wrote a blog post about whether the opposite method is effective: you keep your favorite tricks and techniques sharp and always look for new problems they might solve.