Yulia

“Inside every sane person there's a madman struggling to get out," said the shopkeeper. "That's what I've always thought. No one goes mad quicker than a totally sane person.”
― Terry Pratchett, The Light Fantastic

“When dealing with the insane, the best method is to pretend to be sane.”
― Hermann Hesse

“If you think anyone is sane you just don't know enough about them.”
― Christopher Moore, Practical Demonkeeping

“I became insane, with long intervals of horrible sanity.”
― Edgar Allan Poe