Who said "The simplest communication is often the most powerful."?

This quote is attributed to Road Runner.

The simplest communication is often the most powerful. - Road Runner

"The simplest communication is often the most powerful."

Road Runner Truth

"Beep beep!"

"Meep meep!"

"Time flies when you're having fun."

"Sometimes the fastest way out is the simplest path."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."