"Steve was a genius and a visionary, and I've never viewed that my role was to replace him," said Cook. "Steve was an original. I've never really felt the weight of trying to be Steve. It's not my goal in life. I am who I am. I am focused on that. On being a great CEO of Apple."

“If there was a lot of emotion in my voice today, it's because we've all been waiting for this day for a long time. It felt so great, … the people at this company are doing the best work of their lives, the best work that Apple has ever done.”

“Don’t just accept the world you inherit today. Don’t just accept the status quo. No big challenge has ever been solved, and no lasting improvement has ever been achieved, unless people dare to try something different. Dare to think different.”

“All of these things are great conveniences of life. They change your daily life in a great way. But if you're getting bombarded by notifications all day long, that's probably a use of the system that might not be so good anymore.”

“I don’t consider myself an activist, but I realize how much I’ve benefited from the sacrifice of others, … So if hearing that the CEO of Apple is gay can help someone struggling to come to terms with who he or she is, or bring comfort to anyone who feels alone, or inspire people to insist on their equality, then it’s worth the trade-off with my own privacy.”

“There are very few content owners that believe that the existing model will last forever, I think the most forward-thinking ones are looking and saying, 'I'd rather have the first-mover advantage'.”

“When we work on making our devices accessible by the blind, I don’t consider the bloody ROI.”