Steven Greer claims that advanced extraterrestrial civilizations are waiting for human civilization to mature and will not take overt action unless a catastrophic event occurs.

Authors

• Person: Not available Organization: Wikiquote
  Steven M. Greer - Wikiquote

Sources

• Steven M. Greer - Wikiquote en.wikiquote.org Wikiquote via serper

Referenced by nodes (1)

• Steven Greer entity