We've seen this advice all the time to think out of the box. However, we've been in the box for so long throughout our entire lives, specializing in what we do best. Now, didn't the great investor Warren Buffett said that we should focus within our circle of competence and don't stray too far from it? I don't think there's much difference between a circle and a square when we're talking about such things. So, should we specialize within our box of competence or shall we stray from it? I think instead of thinking out of the box, how about we grow the box? We still do what we do best within our area of expertise, but we take potshots at new materials, take them, form new connections and grow our box bigger. By doing so, we have a base area where we're already good at, but we incorporate new ......