Honors are the backbone of just about every hand. Oh, you can devise a hand where they don't take the majority of tricks, and perhaps every so often will come across one, so I'll leave it at "just about every hand" and not argue. And being fundamental to the most productivity, you'll want to pay them high regard.
Below are links to some of the ways players haven't paid honors the proper respect along with interesting honors combinations you'll meet up with frequently.