Who said "Think you of the fact that a deaf person cannot hear."?

This quote is attributed to Thufir Hawat.

Think you of the fact that a deaf person cannot hear. - Thufir Hawat

"Think you of the fact that a deaf person cannot hear."

Thufir Hawat Knowledge

Character in Dune

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"A person is smart. People are dumb."

"Betrayal is an art which is difficult to master."

"There is no greater warrior than a man who knows himself."

"A tool has no power of its own; it acts through the will of the wielder."

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."