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produktiv

Ὁ δ' ἀνεξέταστος βίος οὐ βιωτὸς ἀνθρώπῳ -> The unexamined life is not worth living
Plato, Apology of Socrates 38a

German > Latin

produktiv, ex se fertilis (z.B. ingenium). – pr. Geisteskraft, ingenii vis; auch bl. ingenium.