Since the forthcoming write-up of my Ph.D. dissertation was much in my mind, it was the work of a moment to begin a solemn dissertation containing al… - Isaac Asimov

Printing will tell you such useful things and such interesting things that not being able to read would be as bad as not being able to see.

Who?
Schiller. A German dramatist of three centuries ago. In a play about Joan of Arc, he said, 'Against stupidity, the gods themselves contend in vain.' I'm no god and I'll contend no longer. Let it go, Pete, and go your way. Maybe the world will last our time and, if not, there's nothing that can be done anyway. I'm sorry, Pete. You fought the good fight, but you lost, and I'm through.

It worked perfectly. The Obin had enough time for a surprised squawk before the hovercraft's gun struck it square in the chest, punching backward like it was a toy on a string, hurling down nearly the entire length of the hall. The other Obin in the room looked up while Harvey's victim pinwheeled to the ground, then turned their multiple eyes toward the doorway, Harvey, and the hovercraft with its big gun poking right into the room.
Hello, boys! Harvey said in a big, booming voice. The 2nd Platoon sends its regards! And with that, he jammed down the fire button on the gun and set to work.
Things got messy real fast after that. It was just fucking beautiful.
Harvey loved his job.

All you have to do is take a close look at yourself and you will understand everyone else.