Here are some Conch quotes from beginning to end. Page numbers depend on what copy of the book you have.
-And another thing. We can’t have everybody talking at once. We’ll have to have ‘Hands up’ like at school.” . . . “Then I’ll give him the conch. . . . I’ll give the conch to the next person to speak. He can hold it when he’s speaking.”
-Ralph took the conch from where it lay on the polished seat and held it to his lips; but then he hesitated and did not blow. He held the shell up instead and showed it to them and they understood.
-"Conch! Conch!” shouted Jack. “We don’t need the conch anymore. We know who ought to say things. What good did Simon do speaking, or Bill, or Walter? It’s time some people knew they’ve got to keep quiet and leave deciding things to the rest of us.”
-He laid the conch with great care in the grass at his feet. The humiliating tears were running from the corner of each eye. “I’m not going to play any longer. Not with you.”
-The rock struck Piggy a glancing blow from chin to knee; the conch exploded into a thousand white fragments and ceased to exist.