Lord Ellpus wrote:
The best opening line I've heard, was a comedian who came to the mike and said........ "I want you all to look around the room, and know that the people you are looking at, have at one time or another, had someone's genitals in their mouth"
Now there's a line that needs perfect comedic delivery to be even remotely funny.
And, Phoneix, you're so right! Many highly regarded comedians have made a career out of stealing the lines of other comics and simply giving them a better delivery. In the old days, a number of Borscht Belt comedians used to actually give credit and attribution to their sources. A comic would begin a joke by saying, for example, "I heard Shecky Greene say the other day that..."