The similarity of man with other species is explained by his biological origin, belonging to the world of wildlife, where biological laws apply. And its differences from them are determined by belonging precisely to the human society, where social and social laws apply. This duality is inherent only to man, who is the only biosocial species on our planet.
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.