Never heard of a "paraprosdokian"? Here is the definition: "Figure of speech in which the latter part of a sentence or phrase is surprising or unexpected; frequently used in a humorous situation." "Where there's a will, I want to be in it," is a type of paraprosdokian.
1. Do not argue with an idiot. He will drag you down to his level and beat you with experience.
2. The last thing I want to do is hurt you. But it's still on my list.
3. Light travels faster than sound. This is why some people appear bright until you hear them speak.