This document discusses theories and approaches to understanding personality throughout history. It begins with early Greek and 19th century theories linking personality to bodily elements and physical characteristics. In the 20th century, theorists such as Sheldon examined the relationship between body type and personality. The document also reviews common personality tests and discusses limitations of assessing personality. It provides definitions of personality from various psychologists and factors proposed to influence the development of consistent behavioral patterns. The document concludes with a discussion of assessing personality in Filipino culture.