Who said "Focus on impact, not inputs."?

This quote is attributed to Jack Dorsey.

Focus on impact, not inputs. - Jack Dorsey

"Focus on impact, not inputs."

Jack Dorsey Work

Tech Entrepreneur American Born 1976 (age 50)

"The best way to predict the future is to invent it."

"Stay focused and keep moving forward."

"Be yourself, everyone else is already taken."

"The only way to do great work is to love what you do."

"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."