Also use this as an opportunity to help yourself come to grips with the general organization of the term paper by explaining the breakdown, something the reader will also need to be aware of from the start.
Of all the paper, this is the part often most likely to be rewritten as you continue working through the paper and experience changes of direction, flow and outcome.
There is also a place for discussing with like-minded students and even finding online discussions about the topic if you feel comfortable doing this but these discussions are for idea-sharing and helping you to gel your ideas and are not usually quotable sources.
However, it does give you a sense of structure and a framework to fall back on when you lose your way mid paper and it also serves as the skeleton of your paper, and the rest is just filling in the details.
It can mar an otherwise good paper because an outcome that is pre-determined in your head, regardless of the research findings along the way, will be molded to fit the outcome, rather than the outcome reflecting a genuine analysis of the discoveries made.
If you are writing a text that does not fall under these three categories (e.g., a narrative), a thesis statement somewhere in the first paragraph could still be helpful to your reader.
2. Your thesis statement should be specific—it should cover only what you will discuss in your paper and should be supported with specific evidence.
Peppering quotes throughout your text is certainly a good way to help make your point, but don't overdo it and take care not to use so many quotes as the embodiment of your points that you're basically allowing other authors to make the point and write the paper for you.
Little goofs like these aren't likely to impress the instructor – if you're too careless to proofread, after all, there's a good chance you didn't put much effort into your paper.