I am, I fully grant, a phenomenon, but not because of any speed in composition. I asked myself the other day, "Who else, on so many issues, has been so right so much of the time?" I couldn't think of anyone.
"On Writing Speedily", first published in The New York Times Book Review (1986); republished in "Miles Gone By : A Literary Autobiography" by William F. Buckley Jr., (p. 405), 2004.