A significant part of knowledge attainment is having the courage to change and try something new. Innovators often exhibit the audacity to believe that non-existent realities are possible. Many groundbreaking insights come with an emotional price as they often require that deeply held beliefs are changed during the learning process.
Innovation challenges people to step into unknown areas which can be both a scary and exhilarating proposition. Learning is not a purely intellectual experience, but an emotional one as well.