The basic contentions of the argument of this book are implicit in its title and sub-title, namely, that reality is socially constructed and that the… - Peter L. Berger

The individual... is not born a member of society. He is born with a predisposition towards sociality, and he becomes a member of society. In the life of every individual, therefore, there is a temporal sequence, in the course of which he is inducted into participation in the societal dialectic. The beginning point of this process is internalization : the immediate apprehension or interpretation of an objective event as expressing meaning, that is, as a manifestation of another's subjective processes which thereby becomes subjectively meaningful to myself.

Compared to the reality of everyday life, other realities appear as finite provinces of meaning, enclaves within the paramount reality marked by circumscribed meanings and modes of experience.

Society... directly penetrates the organism in its functioning, most importantly in respect to sexuality and nutrition. While both sexuality and nutrition are grounded in biological drives, these drives are extremely plastic in the human animal. Man is driven by his biological constitution to seek sexual release and nourishment. But his biological constitution does not tell him where he should seek sexual release and what he should eat.