Brother Zachariah: Magnus Bane… It has been too long.

Magnus Bane: Indeed, it has. I’m sorry to call on you like this. Clary… this is Brother Zachariah.

Clary Fairchild: You’re a Silent Brother?

Brother Zachariah: I know I appear unlike the others… But that is a tale for another day.

From Shadowhunters – Season 3 Episode 6: ‘A Window Into an Empty Room’ (3×06)