Who said "Death is simply the end of one's usefulness."?

This quote is attributed to Obadiah Stane.

Death is simply the end of one's usefulness. - Obadiah Stane

"Death is simply the end of one's usefulness."

Obadiah Stane Death

"I'm not a man to be trifled with."

"Success isn't given, it's taken."

"The weak deserve what they get."

"Money makes the world spin."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."