The transition from the appropriating economy to the producing one took place in the Neolithic era. This process was due to the fact that primitive people understood how to increase the number of products and resources. During this period, they noticed that the seeds left in storage until better times sprout, and the young animals begin to get used to people and bring benefits. They gave milk and wool. After some time, people began to sow crops and take care of them. They attracted animals for hunting and milk production.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.