"It's people. Soylent Green is made out of people. They're making our food out of people. Next thing they'll be breeding us like cattle for food. You've gotta tell them. You've gotta tell them! . . . You tell everybody. Listen to me, Hatcher. You've gotta tell them! Soylent Green is people! We've gotta stop them somehow!"
Stanley Greenberg, script for Soylent Green, delivered by Charlton Heston
(Apropos for Cathy's comments below)