The most important line in a novel is the one that opens the story to the reader. Stephen King said that he spends months, even years, procrastinating over the first sentence of his books. When someone picks up a novel in a book store, the will read the blurb and then open the first page. This is the chance to hook them in, entice them to read the rest of the story. It is imperative that they feel compelled to do so.
There are different approaches to the opening line, the following articles provide such guidance:
Perhaps even more useful are practical examples, which can be found in the following articles:
I’m suddenly hugely dissatisfied with my opening line: “As he sat his wife down to explain, they were both startled by the crashing sound that followed an extremely brief silence.”
Guess what I am off to work on?