In this book, George Berkeley discusses the subject based on a theory of vision that depends on God's existence. This book is an early attempt at developing a theory of vision and everything that revolves around it. It is an essay subjected to a philosophical study of a new concept that involves spirituality.

In this book, George Berkeley discusses the subject based on a theory of vision that depends on God's existence. This book is an early attempt at developing a theory of vision and everything that revolves around it. It is an essay subjected to a philosophical study of a new concept that involves spirituality.