write 3 pages about Descartes passage? what it means to Descartes thoughts and believes

This is philosophy homework not a history !

Write a three-page exposition that clearly and carefully interprets the following passage from Descartes? Meditations. Present the passage in context exposing what the passage says and why Descartes says it, that is, explain how the passage figures into the argument that Descartes is making.

explain what it means to Descartes thoughts not your thoughts! suppose you are a teacher and explain to students what Descartes thoughts and believes!