It's a little like casting out hundreds of fishing lines into the audience. You start getting little bites, then more, then you hook a few, then more. Then you can start reeling them in and that's a loveliest feeling - the whole audience laughing with you.
“Robots do not hold on to life. They can't. They have nothing to hold on with - no soul, no instinct. Grass has more will to live than they do.”