Question

Who said that the true knowledge of external world is impossible?

Answer 1

John Locke (1632-1704) of knowledge of the external world have proved to be some of the most confusing and difficult passages of his entire body of philosophical work.

Answer 2

Descartes is the person who stated that the true knowledge of external world is impossible.

It is true because one cannot know about everything in this world.

There is so much to know for a person.

One cannot get knowledge on everything and one life time won't be enough to know about the knowldge in external world.