Who said "There's no substitute for hard work and dedication."?

This quote is attributed to John Watson.

There's no substitute for hard work and dedication. - John Watson

"There's no substitute for hard work and dedication."

John Watson Work

"I'm a doctor, not a magician."

"You know what? I don't actually care what you think."

"Afghanistan or Iraq?"

"How did you know about the bullet wound?"

"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."