I've missed more than 9000 shots in my career. I've lost almost 300 games. 26 times, I've been trusted to take the game winning shot and missed. I've failed over and over and over again in my life. And that is why I succeed.
Black people were very angry with me for writing the book. A lot of people didn't believe me, or didn't want to believe me, and that used to really bother me. It was a very painful and difficult time.
A delusion is something that people believe in despite a total lack of evidence.