If you let society and your peers define who you are, you’re the less for it.

The line argues for self-authorship: identity and values should be chosen rather than passively inherited from social expectations. “Society and your peers” stand for the pressures of conformity—status, respectability, group approval—that can narrow a person’s sense of possibility. The warning “you’re the less for it” suggests a real diminishment: not only loss of individuality, but a reduction in moral and imaginative agency, as one’s life becomes a performance for others. In the context of Hefner’s public persona, the sentiment aligns with a broader mid‑century rhetoric of personal freedom and nonconformity, though the quote itself functions generally as a critique of externally imposed identity.