"The Kranz Dictum". Gene Kranz's address to his branch and flight control team on the Monday morning following the Apollo 1 disaster, January 30, 1967.
"Alex Gibney on Steve Jobs: 'He was ruthless when it came to a beveled edge for the iPhone - but paying workers more in China? No way'". Interview with Andrew O'Hehir, www.salon.com. September 4, 2015.