To know (επιγνωνα). To know fully, επ, second aorist active infinitive.

They accused him (ενεκαλουν αυτω).…

And when I would have known the cause
Or crime, he was guilty of:

wherefore they accused him…

God has instruments for every work. The natural abilities and moral virtues of unbelievers have often been employed to protect his persecuted serva…