Yes, I could have written on that and more. But tonight, I'd rather revisit a favorite episode from Joseph Heller's Catch-22 (from Ch. 39, "The Eternal City", pp. 398-99), bold a few lines for emphasis, and just leave it at that.
"There must have been a reason," Yossarian persisted, pounding his fist into his hand. "They couldn't just barge in here and chase everyone out."
"No reason," wailed the old woman. "No reason."
"What right did they have?"
"What?" Yossarian froze in this tracks with fear and alarm and felt his whole body begin to tingle. "What did you say?"
"Catch-22" the old woman repeated, rocking her head up and down. "Catch-22. Catch-22 says they have a right to do anything we can't stop them from doing."
"What the hell are you talking about?" Yossarian shouted at her in bewildered, furious protest. "how did you know it was Catch-22? Who the hell told you it was Catch-22?"
"The soldiers with the hard white hats and clubs...."
"Didn't they show it to you?" Yosssarian demanded, stamping about in anger and distress. "Didn't you even make them read it?"
"They don't have to show us Catch-22," the old woman answered. "The law says they don't have to."
"What law says they don't have to?"
"Oh, God damn!" Yossaraian exclaimed bitterly. "I bet it wasn't even really there."