It is a foregone opportunity that we could have a trillion dollars more of income for the United States if we were producing at capacity rather than falling so far short of it. ↗
You want your mind to be boggled. That is a pleasure in and of itself. And it's more a pleasure if it's boggled by something that you can then demonstrate is really, really true. ↗
I'm always writing, even when I'm not at my desk. I write on my hands. I used to write on my kids' hands, too, but they don't let me any more. When I'm driving I sometimes write all the way up my arms. ↗
A mathematician, like a painter or a poet, is a maker of patterns. If his patterns are more permanent than theirs, it is because they are made with ideas. ↗