Psychologists are able to divide personality into five main dimensions: introverted or extraverted; neurotic or stable; incurious or open to new thin… - Tom Butler-Bowdon

This work led cognitive therapists such as Aaron Beck, David D. Burns, and Albert Ellis to build treatment around the idea that our thoughts shape our emotions, not the other way around. By changing our thinking, we can alleviate depression or simply have greater control over our behavior.

In the 1950s, primate researcher Harry Harlow’s legendary experiments replacing the real mothers of baby monkeys with cloth ones proved the extent to which infants need loving physical attention in order to become healthy adults. Remarkably, this sort of touching went against the child-rearing views of the time.

It is the feeling of inferiority, inadequacy and insecurity that determines the goal of an individual’s existence.