Every theory of love, from Plato down teaches that each individual loves in the other sex what he lacks in himself.
G. Stanley HallThe man of the future may, and even must, do things impossible in the past and acquire new motor variations not given by heredity.
G. Stanley HallAdolescence as the time when an individual ‘recapitulates’ the savage stage of the race’s past.
G. Stanley HallThe teens are emotionally unstable and pathic. It is a natural impulse to experience hot and perfervid psychic states, and it is characterized by emotionalism. We see here the instability and fluctuations now so characteristic. The emotions develop by contrast and reaction into the opposite.
G. Stanley Hall