Who said "Death is merely a transition I have not yet calculated."?

This quote is attributed to Zurg.

Death is merely a transition I have not yet calculated. - Zurg

"Death is merely a transition I have not yet calculated."

Zurg Death

"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."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."