Another way to increase your curiosity is to indulge it, by investigating things you're interested in. Curiosity is unlike most other appetites in this respect: indulging it tends to increase rather than to sate it. Questions lead to more questions.
"Oh, and when I asked my listeners how many of them had ever thought about being a writer? What proportion raised their hands? At least two-thirds. Making me suspect, for the first time ever, that the urge to write is almost universal. As it would be, wouldn’t it, don’t you think? How else can you begin to come to terms with the fact of your existe... See more