I recall once saying that when I had given the same lecture several times I couldn't help feeling that they really ought to know it by now.

I recall once saying that when I had given the same lecture several times I couldn't help feeling that they really ought to know it by now.

A Miscellany is a collection without a natual ordering relation.

I read in the proof sheets of Hardy on Ramanujan: "As someone said, each of the positive integers was one of his personal friends." My reaction was, "I wonder who said that; I wish I had." In the next proof-sheets I read (what now stands), "It was Littlewood who said..."

The infinitely competent can be uncreative.

A good mathematical joke is better, and better mathematics, than a dozen mediocre papers.

Try a hard problem. You may not solve it, but you will prove something else.