Who said "The future is unwritten, and fate is but a guide."?

This quote is attributed to Saruman.

The future is unwritten, and fate is but a guide. - Saruman

"The future is unwritten, and fate is but a guide."

Saruman

"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."