self-actualizationneed of respectsocial needsafety needphysical needThis is how mankind has developed to its current status.people progresspeople fightunder the push of these needs, people aspireThese five needs are most basic and innate to human beings, and become the forces that motivate and guide individual behaviors.Psychologist Abraham Maslow developed his "Maslow's hierarchy of needs theory" by classifying human needs into five pyramidal levels: physical, security, social, respect, and self-actualization.