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Intellect or intelligence, often referring to a person's ability to think deeply, reason logically, and understand complex concepts.
その作家の作品は深い知性に満ちている。
The writer's works are filled with deep intellect.
Often used to describe a person's intellectual capacity or the quality of being intellectually refined.
In Japanese, '知性' is often associated with a calm, thoughtful demeanor rather than just raw intelligence.
From the kanji 知 (to know) and 性 (nature or quality), literally meaning 'the nature of knowing' or 'intellectual quality'.
While '知性' can refer to general intelligence, it often carries a connotation of refined or cultivated intellect, distinguishing it from more basic or practical intelligence (知能).