A very self-important college freshman at a rrecent football game, took it upon himself to explain to a senior citizen sitting next to him why it was impossible for the older generation to understand his own.
"You grew up in a different, actually almost primitive, world," the student said loud enough for the whole crowd to hear. "We young people today grew up with television, jet planes,
space travel, man walking on the moon, our spaceships have visited Mars. We even have nuclear energy, electric and hydrogen cars, computers with light-speed processing and..."
Taking advantage of a pause for breath in the student's litany, the "wizened" one said, "You're right, Son. We didn't have those things when we were young....so we invented them, you arrogant little (blank)!! Now, what are you going to do for the next generation?"
"They say a little knowledge is a dangerous thing, but it's not
one half so bad as a lot of ignorance." --- Terry Pratchett