Simplify the following text for a Grade 9 native English-speaking person.
Original: According to W. K. C. Guthrie 's The Greek Philosophers , while sometimes erroneously believed to be a method by which one seeks the answer to a problem , or knowledge , the Socratic method was actually intended to demonstrate one 's ignorance .
Simplified: According to W.K.C. Guthrie , the Socratic method was intended to demonstrate one 's ignorance .