When I feel difficulty coming on, I switch to another book I'm writing. When I get back to the problem, my unconscious has solved it.
Isaac AsimovNothing interferes with my concentration. You could put on an orgy in my office and I wouldn't look up. Well, maybe once.
Isaac AsimovThere is no merit to discipline under ideal circumstances. I must have it in the face of death or it is worthless.
Isaac Asimov