For as Jonas was a signe] See Jon. 2. 1. As Jonas deliverance out of the belly of the whale was a sufficient proof of his ministerie, so Christs resurrection the third day, was of his mission: and therefore as the Ninevites beleeved Jonas, after he had been three dayes in the whales belly, so should these beleeve and repent after my resurrection the third day, Acts 2:37. 41. 47. or else be left excuselesse.