Not to know me argues yourselves unknown.
Milton.
4. To recognize; to distinguish; to discern the character of; as, to
know a person's face or figure.
Ye shall know them by their fruits.
Matt. vil. 16.
And their eyes were opened, and they knew him.
Luke xxiv. 31.
To know Faithful friend from flattering foe.
Shak.
At nearer view he thought he knew the dead.
Flatman.