Who said "The best performances require the most preparation."?

This quote is attributed to Buster Keaton.

The best performances require the most preparation. - Buster Keaton

"The best performances require the most preparation."

Buster Keaton Work

Silent Film Comedian American 1895–1966

"I have nothing to say, and I am saying it."

"The most beautiful thing in the world is a newborn baby."

"Work like you don't need money, love like you've never been hurt, and dance like no one is watching."

"Falling can be an art; the way you take it makes all the difference."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."