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Δῶς μοι πᾶ στῶ καὶ τὰν γᾶν κινάσω → Give me a place to stand on, and I will move the Earth.
adj.
Compulsory: P. βίαιος, P. and V. ἀναγκαῖος. Violent: P. and V. βίαιος. Cogent: P. and V. πιθανός, P. ἀναγκαῖος (Thuc. 4, 60). Firm, strong: Met., P. ἰσχυρός.