Who said "There is much you have yet to learn about the dark side."?

This quote is attributed to Darth Vader.

There is much you have yet to learn about the dark side. - Darth Vader

"There is much you have yet to learn about the dark side."

Darth Vader Knowledge

"I find your lack of faith disturbing."

"The Force will be with you, always."

"I am altering the deal. Pray I don't alter it any further."

"There is no escape. Don't make me destroy you."

"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."