 Reid is also known for his extended critique and unrelenting repudiation of the way of ideas. He finds it in the whole of philosophy from Democritus to Berkeley and Hume. Characterizing it as the view that there is a single sort of mind-dependent entity that we must immediately apprehend in order to apprehend anything else, he contends it precludes all cognition of things outside the mind (Reid 1785 [2002: 27–32, 199–200]; Nichols 2003; Van Cleve 2015: 57–98). In his view, it is the source of most false and mistaken philosophical accounts of perception (Reid 1785 [2002: 249, 261–5]).