How to write a thesis sentence for an essay

The thesis sentence for an essay should be a statement of the main idea of the essay that will guide the writer throughout the essay. It should be clear and concise, and should provide a brief overview of the main points that will be discussed in the essay. For example, “The effects of social media on teenagers can be both positive and negative, and it is important to understand both sides of the issue in order to make informed decisions about its use.”