Who said "Work is the only thing that separates men from boys."?

This quote is attributed to Obadiah Stane.

Work is the only thing that separates men from boys. - Obadiah Stane

"Work is the only thing that separates men from boys."

Obadiah Stane Work

"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."

"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."