There is an adage 'Experience is the best teacher' , how people gain knowledge differs but i must say that experience is the best way to acquire knowledge.people tends to grab what the experience into their subconscious
Every individual has their various way of learning, some Persons can be perfect in learning through experience and, number of groups can acquire talent through books. Both have there benefits, I will say that knowledge
Knowledge is the key factor of human growth. The primary source of knowledge can be depened on books or the practical experiences. People have different opinion on which source is most appropriate source of knowledge.