Berkeley's Theory of Immaterialism As man progressed through the various stages of evolution, it is assumed that at a certain point he began to ponder the world around him. Of course, these first attempts fell short of being scholarly, probably consisting of a few grunts and snorts at best. As time passed on, though, these ideas persisted and were eventually tackled by the more intellectual, so-called philosophers. Thus, excavation of "the external world" began. As the authoritarinism of the ancients gave way to the more liberal views of the modernists, two main positions con