Greatness is not just achieved, it's earned. - Tim Cook

"Greatness is not just achieved, it's earned."

Tim Cook Perseverance

Technology Executive American Born 1960 (age 66)

More from Tim Cook

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

"Innovation distinguishes between a leader and a follower."

"Life is about making a dent in the universe."

"Stay hungry. Stay foolish."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."