τέχνη δὲ ἄνευ ἀλκῆς οὐδὲν ὠφελεῖ (Thucydides 2.87.4.6) → η τέχνη απαιτεί κουράγιο, skill without heart is useless
extrānĕo: āvi, 1, v. a. extraneus,I to treat as a stranger, disown a child: extraneasse eam (filiam), App. Mag. p. 335.