What's you definition of Knowledge ?

Knowledge is defined as the body of truth, information, and principles acquired by human kind. Knowledge is important because we remember what we have learned in the past for the future. It's like a box full of memories or important facts. People uses different sources to find information about certain things. There are multiple levels of knowledge such as extreme knowledge for those who are very smart or moderate knowledge for those who are average. If we did not have knowledge, we would not know how to educate ourselves when we learn something new for a job or learning in school.
We need knowledge to understand ourselves. Knowledge has been used for centuries from scholars, psychologists and more. They tried to interpret where knowledge comes from. They did experiments and learned that knowledge comes from a certain part of the brain. It interprets what to remember and what to forget. When we write an essay, we need to know how to write a introduction that includes a topic sentence and a thesis. We also need to know how to write body paragraphs that have great detail with quotes. Finally, writing a conclusion that wraps up your essay.