He's only silent because he's too thick to string two words together.

“I have no time to explain now. It is a thrilling tale, I wish to do it justice.”

“This was their first encounter with the fact that a full stomach meant good spi…”

“Ma è commovente, Severus» osservò Silente, serio.«Ti sei affezionato al ragazzo…”

“I know what you are known as . . . but to me, you will always be Tom Riddle. It…”