Do ye not. ? Figure of speech Erotesis (App-6), for emphasis.
therefore. on account of (dia. App-104.Mark 12:2; Mark 12:2) this; referring to the reasons about to be stated in the next two clauses.
know. Greek. oida. App-132.
neither. Greek. mede.. compound of me. App-105.
power. (inherent) power, App-172.