ἐκ τῆς θαλάττης ἅπασα ὑμῖν ἤρτηται σωτηρία → your safety altogether depends upon the sea
subs.
P. and V. σκέψις, ἡ, P. ζήτησις, ἡ, ἐξέτασις, ἡ, ἐπίσκεψις, ἡ, V. ἔρευνα, ἡ.