Who said "Be yourself, everyone else is already taken."?

This quote is attributed to Jack Dorsey.

Be yourself, everyone else is already taken. - Jack Dorsey

"Be yourself, everyone else is already taken."

Jack Dorsey

Tech Entrepreneur American Born 1976 (age 50)

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

"Stay focused and keep moving forward."

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

"Ideas are worthless without execution."