So writers are taught to focus on ingredients and their combination. They're told they should create attractive, sympathetic characters, so that readers will care about them deeply, and then to plunge those characters into situations of continuing peril, the descent into which is the mixing and stirring, and the duration and horrors of which are the timing and temperature.

—"A Simple Way to Create Suspense,"
Lee Child

What is the central idea of the passage?

Writers must always break the rules when writing a suspenseful story.
Writers must follow the rules when writing a suspenseful story.
Writers are often taught a specific method of creating suspense.