Man, unlike anthropoid apes, is capable of creating complex implements of labor.
Reasonable activity is a form of adaptive behavior that can be carried out at the first encounter of an organism with an unusual situation created in its environment. The fact that an animal immediately, without special training can adequately react, and lies a unique feature of rational activity as an adaptive mechanism in diverse, constantly changing environmental conditions.
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.