We must be willing to ask hard questions and challenge ourse... - Tim Cook

"We must be willing to ask hard questions and challenge ourselves."

Tim Cook

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."