The full quote: “In every failure there is something to be gained, even if it’s only practice for the next test you’ll have to take. Because that next test is coming. That’s a guarantee.”
Can’t Hurt Me is a very good motivational book. Goggins’s life starts out bad but his determination and the US military made him one of the toughest people I have ever read about.
My biggest takeaway was the idea of writing After Action Reports (AARs) for events in your life.