Who said "What we think we become; what we speak we manifest."?

This quote is attributed to Saruman.

What we think we become; what we speak we manifest. - Saruman

"What we think we become; what we speak we manifest."

Saruman Motivation

"A wizard is never late, nor is he early. He arrives precisely when he means to."

"All we have to decide is what to do with the time that is given us."

"The board is set, the pieces are moving."

"There is no curse in Elvish, Entish, or the tongues of Men for this treachery."

"I believe in working hard for what you want."

"Never underestimate the power of determination."

"I don't need a reason to fight."

"The most important thing is the mission. Nothing else matters."