While the quotes are nice, at the same time ignoring curse words entirely is basically cutting off a significant portion of expression. While I'm not saying you should litter all of your sentences with them, they do get the point across much better than not.

A (long) view on the subject by Stephen Fry that basically points out we shouldn't lament language change and other ways of expressing ourselves. http://www.stephenfry.com/2008/11/04/dont-mind-your-language...