The main ideas of the paper should be described in no more than 2 sentences. (essaywritingstore.com)
Step 6: Formulate a thesis statement — a «thesis statement» refers to a one - sentence statement that expresses the controlling or main idea of the paper. (hubpages.com)
After selecting a topic for your paper or during this process you should ask yourself a question:» What is the main idea of my paper?» (my-thesis.net)