"Experience is the best teacher" is an old cliché, but I agree with it. We can learn a lot of important things from books, but the most important lessons in life come from our own experiences. Throughout the different stages of life, from primary school to university to adulthood, experience teaches us many skills we need for life.
As children in primary school, we learn facts and information from books, but that is not all we learn in school. On the playground we learn how to make friends. In our class work, we learn how it feels to succeed and what we do when we fail. We start to learn about the things we like to do and the things we don't. We don't learn these things from books, but from our experiences with our friends and classmates.
In our university classes, we learn a lot of information and skills we will need for our future careers, but we also learn a lot that is not in our textbooks. In our daily lives both in class and out of class, we learn to make decisions for ourselves. We learn to take on responsibilities. We learn to get along with our classmates, our roommates, and our workmates. Our successes and failures help us develop skills we will need in our adult lives. They are skills that no book can teach us.
Throughout our adulthood, experience remains a constant teacher. We may continue to read or take classes for professional development. However, our experiences at work, at home, and with our friends teach us more. The triumphs and disasters of our lives teach us how to improve our careers and also how to improve our relationships and how to be the person each one of us wants to be.
Books teach us a lot, but there is a limit to what they teach. They can give us information or show us another person's experiences. These are valuable things, but the lessons we learn from our own experiences, from childhood through adulthood, are the most important ones we learn.