“When you strike at the King, you must kill him.”

— Ralph Waldo Emerson, Writer, I read this in John Carreyrou's book Bad Blood

“I think there is a world market for maybe five computers.”

— Thomas Watson, chairman of IBM, 1943

“Change before you have to.”

— Jack Welch, CEO of GE, I heard this from Professor Dennis Chookaszian, Booth professor and former CEO of CNA insurance

“Competition is for losers."

— Peter Thiel, Businessman, he believes your business should be so good, that no one can compete with you