Mike Tyson is riding his bike to the movies. Since he doesn't have a lock, he just leaves the bike on the bike rack and attaches a note that reads: "Stealing this bike is futile. Signed, Mike Tyson." After the movie is over, Mike Tyson discovers that his bike is missing. Instead, he finds that someone wrote on the back of his note: "Pursuing this bike is futile. Signed, Lance Armstrong."
A man was looking out his window when he noticed that there was a snail on one of his plants. So he took the snail and threw him as far as he could. Ten years later the old man heard a tap tap tap on his window, and when he looked up he saw a very cross snail who looked at him and
said, “Hey, what did you do that for?”