Kokoro, by Natsume Soseki (paragraph #294)

『馬鹿だ』とやがてKが答へました。『僕は馬鹿だ』

translation

"You're an idiot," K eventually replied. "I'm an idiot"

kanji (pronunciations & definitions)
馬鹿: idiot (ばか), idiot (バカ), moron, moron, fool : K (ケイ), K (ケー), k, k, kilo- : answer (こたえ), reply, response, answer, solution 馬鹿: idiot (ばか), idiot (バカ), moron, moron, fool

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