Irony and Sarcasm

Check out Irony and Sarcasm by rogersgeorge. Here is an excerpt:

What’s the difference? 

Irony: a figure of speech in which you say (or write) the opposite of what you mean in such a manner that your listener (or reader) can tell what you actually mean.

This statement (last panel) is an example of irony.

The full article is available here.