Kokoro, by Natsume Soseki (paragraph #489)

「聞こえました。戀の滿足を味はつてゐる人はもつと暖かい聲を出すものです。然し…然し君、戀は罪惡ですよ。解つてゐますか」

translation

"I hear you. People who have tasted the satisfaction of love have a warmer voice. But...but love is a sin. Do you understand?"

kanji (pronunciations & definitions)
: (romantic) love (こい) 滿足: satisfaction (まんぞく), contentment, gratification, sufficient, satisfactory : flavor (あじ), flavour, taste, charm, appeal : -ian (e.g. Italian) (じん), -ite (e.g. Tokyoite), -er (e.g. performer, etc.), person working with …, man
: voice (こえ), singing (of a bird), chirping (of an insect), hoot, voice : coming out (で), going out, outflow, efflux, rising (of the Sun or the Moon) : -like (ぜん), so (さ), like that, in that way, like that (しか) : solution (of an equation, inequality, etc.) (かい), root (e.g. of a polynomial), solution (to a given problem), answer, explanation

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