ferocious

From LSJ

ἡ δὲ φύσις φεύγει τὸ ἄπειρον· τὸ μὲν γὰρ ἄπειρον ἀτελές, ἡ δὲ φύσις ἀεὶ ζητεῖ τέλοςnature, however, avoids what is infinite, because the infinite lacks completion and finality, whereas this is what Nature always seeks

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