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ἡμεῖς γάρ που δίκαιοί ἐσμεν σώσαντές σε κινδυνεύειν τοῦτον τὸν κίνδυνον καὶ ἐὰν δέῃ ἔτι τούτου μείζω. |
It is surely right for us to run this risk in saving you, and even more than that if it is necessary. |
Plato Crito 45a |
Further examples of constructions illustrated by this sentence: