John Locke was one of the greatest figures of the Enlightenment, whose assertion
that reason is the key to knowledge changed the face of philosophy. These writi
ngs on thought, ideas, perception, truth and language are some of the most influ
ential in the history of Western thought. Throughout history, some books have ch
anged the world.
They have transformed the way we see ourselves - and each ot
her. They have inspired debate, dissent, war and revolution. They have enlighten
ed, outraged, provoked and comforted.