
Psychologists have been researching for decades how lifelong, significant goals evolve. Launching a business, investigating an illness, or teaching children are examples of objectives that have the potential to improve the lives of others.
A feeling of purpose seems to have developed in humans such that they might do great things together, which may explain why it is linked to improved mental and physical well-being. As it relates to evolution, the purpose is adaptive. It promotes the survival of both humans and the species.