Internalization occurs when messages from family, culture, authority, or repeated experience become part of a person's inner voice. A poem may dramatize it as a parent's warning spoken in the speaker's own mouth, or as a social rule carried like a second skeleton. The process can provide values and continuity, but it can also preserve shame, prejudice, or limitation long after the original authority has disappeared.

Internalization is the gradual process by which outside rules, values, expectations, or judgments become experienced as one’s own. It can support conscience and social learning, but harmful stereotypes or criticism may also become an inner voice. Related concepts include socialization, introjection, identification, and self-schema. Poetry can reveal internalization through inherited phrases, commands, family sayings, or self-directed judgment.