“Silence is a door among the doors of wisdom - indeed, silence begets and attracts love, it is the proof of all the beneficiences.”

“"Is anybody there?" said the Traveler,
Knocking on the moonlit door;
And his horse in the silence champed the grasses
Of the forest's ferny floor.”

“A fence to wisdom is silence.”

“Silence is a great wisdom.”

“Silence is one of the gates to wisdom.”

“Silence is a fence around wisdom.”

“Silence is the sleep that nourishes wisdom.”

“Passing over the other arts in silence, I shall speak briefly of that which concerns the health of mankind; indeed, of all the arts the genius of man has discovered it is by far the most beneficial and of prime necessity, although difficult and laborious.”

“The doors of wisdom are never shut.”

“Silence does not always mark wisdom.”