Status Updates From Applied Psychology for Nurses

All the phenomena of mental life are included in:
Feelings,thoughts and volitions which accompany every minute of my waking life and probably invade secretly every second of my sleeping life.

Chapter 1: what psychology is

For as truly as every infectious disease is caused by a definite germ,just as truly has every action of man its adequate explanation and every thought its definite origin

➡️ psychology is the science of mental life both of its phenomena and their conditions