What is the importance of the quote ""If I blow the conch ... never be rescued.""

The conch represented civilization for the boys because the boys where connected to civilization as a result of their daily meetings and order

Explanation:

The conch represented civilization for the boys because the boys where connected to civilization as a result of their daily meetings and order. Ralph feels that if the conch is blown, the boys have lost all civilization and have become savages. If the boys do not come when the conch called them, it means that there would be no civilization and order among the boys again.