“I have found it of enormous value when I can permit myself to understand another person....If I let myself really understand another person, I might be changed by that understanding”

(Carl Rogers, 1961, p. 18, On becoming a person).

“The science of human nature has yet another aspect, which we may call its social aspect. Human beings would doubtless get along with each other better, and would approach each other more closely, were they able to understand one another better”

(Alfred Adler, 1927, p. 21, Understanding human nature).

“Psychology cannot tell people how they ought to live their lives. It can, however, provide them with the means for effecting personal and social change”

(Albert Bandura, 1977, p. 213, Social learning theory).

"Know thyself."

Inscription on the Oracle of Apollo at Delphi, Greece, 6th century B.C.