Technology is changing rapidly and it is a major investment to learn a new skill, technique or technology. Our knowledge gained is so hard fought that it is only natural to rely on it dearly. But it's a mistake to hold on to this knowledge for too long - you must be open to new ideas. In this episode of Mobycast, Chris shares with Jon a personal story about learning and growth. After being blindsided by relying on a familiar pattern, a valuable lesson is learned, one summed up well by author Stephen King when he implores us to "kill your darlings".