Upon the mentioning Piggy's glasses, images of insight and reason come to mind.
It is also quite a good book to read in short, regular sessions as the chapters in this book are some of the shortest I have ever seen. Ralph befriends a boy named Jack, a choirboy. The conch comes to symbolize authority, democracy and order.
He represents the evil that exists within all men in uncivilized situations.
Golding does this first through simple descriptions and then describing the reader to observe the characters in action. As the days pass, both boys grow to despise each other with Jack getting hungrier for authority.
It begins with the boys' arrival on the island. London: Faber and Faber, Moody, Philippa. Golding was drinking heavily at the time he had a lifelong struggle with alcoholism and one may have to take his bitterness advisedly, but these remarks reveal an interesting artistic conundrum.
Golding uses colours such as pink to symbolize particular things such as innocence, piglets and the island.