I read this book a while back and has forgotten the bulk of it. It's good that we are in the internet era. So many people wrote good summaries and made it easier to simply recall the main messages and even come out with new ones that are relevant to me now.
Autonomy and mastery: Daniel believes that people has the innate drive to achieve autonomy and mastery. Rewards and nagging rarely get us anyway. For those of us with parental experience, gosh, how true! Goals that we set for others seldom work if there is no buy in. 
Goals people set for themselves, when we get there, we enter a state of flow. This is very blissful and this is the state that helps musicians create music. This is the state Michael Jordan is constantly in when he is on the basketball court. We all have experienced...