Quote by Ray Bradbury, From the foreward
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.

Summary
This quote reflects the personal preference of the speaker towards theories over facts. While they find facts mundane and sleep-inducing, theories are said to be stimulating and refreshing. The speaker suggests that their expertise lies in transforming a small amount of factual information into a large array of theories. The quote highlights the importance of theories in the speaker's profession, implying that they derive their creativity and productivity from building and expanding upon theoretical frameworks.