One cannot learn everything from their own experience since nobody gets the complete experience. While experience is the best teacher, it is also wise to learn from others’ experience and it can come from reading, listening to knowledgeable people that includes experienced people , Teachers or Mentors That is why an experienced person scores over fresh graduates. The value of studying in a good institution is also because of this as the Teachers will tend to have greater knowledge/experience, relate anecdotes and inspire learning. A lot of learning can come from reading as one gets to know from others experience, knowledge and perspectives. My view is reading helps ones imagination too