Writing an expository essay. Essay will have no meaningful focus if you attempt to examine its topic from every conceivable angle. Expository essay, I CANNOT use sources of information beyond my lived experience and current knowledge. Avoid citing statistics, referring to what "studies say" or "researchers have discovered," or reading anything about your topic before you write this essay. DO NOT search library or Internet sources to become adept at critical thinking or writing essays that explore the various facets and complications of their topics. .