The medium is the massage. When people replace 'massage' with 'message', it really rubs me the wrong way. It's easier to ask forgiveness than it is to get permission. The ability to tell a man to 'go to hell' and have him feel happy to be on his way. A slave is one who waits for someone else to come and free him.
Time flies like an arrow, fruit flies like a banana.
While I'm sure Groucho got as much mileage out of this witty saying as he could, the Internet has made it even more popular. As part of a lesson on searching the Internet, students are asked to 'find the author'.