Who said "Adventure calls to those brave enough to answer."?

This quote is attributed to Zurg.

Adventure calls to those brave enough to answer. - Zurg

"Adventure calls to those brave enough to answer."

Zurg Adventure

"Fear is the most delicious emotion of all!"

"I didn't become Emperor by being timid."

"Power is not given—it is taken."

"Every great villain starts with a dream."

"The greatest adventure is life itself."

"The adventure of life begins with a single step."

"Adventure finds you when you stop running."

"Fortune and glory, kid."