"I hope you will get a book done. I find I can't get my book on the disruption of the 19th century done as it should be done by the end of June, and I want to write some easier book this year, keeping the other for next year."

"There is need of a book called Education and the Social Order, which I could do, but not if yours would be on a closely related subject. I could do something more connected with science. Aldous Huxley's Brave New World is an expansion of 2 chapters of my book—v. good."