Facts quite often, I fear to confess, like lawyers, put me to sleep at noon. Not theories, however. Theories are invigorating and tonic. Give me an ounce of fact and I will produce you a ton of theory by tea this afternoon. That is, after all, my job.
Source: From the foreward to Mars and the Mind of Man.
-- Ray Bradbury, (Aug 22 1920-2012), US science-fiction writer; He is best known for SF stories combining social criticism, e.g., Fahrenheit 451 and The Martian Chronicles.