The Joker tries to prove to Batman that it takes only one bad day for someone to go insane, and one of his possible origins is told through flashbacks.
- All it takes is one unabridged page to reduce the sanest man alive to lunacy.
http://tvtropes.org/pmwiki/pmwiki.php/Laconic/TheKillingJoke
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The Joker tries to prove to Batman that it takes only one bad day for someone to go insane, and one of his possible origins is told through flashbacks.