Stephen King is an outrageously successful writer, who has some debatable advice to give about writing: link.

but as advice goes, this one about adverbs isn't too bad, as long as you don't take it as a rule. it simply says, avoid overuse of adverbs.

I'm always tempted to make a Tom Swifty out of it:
"The road to hell is paved with adverbs," Tom preached hotly.