Here's why:
* Clarity and Focus: Your thesis statement acts as the anchor of your speech. It guides your entire argument and helps you stay on track.
* Structure and Organization: Once you know your main point, you can then brainstorm supporting arguments, evidence, and examples to build around it.
* Audience Engagement: A strong thesis statement piques audience interest and sets expectations for what they'll learn or gain from your speech.
However, this doesn't mean you need to write a perfect thesis statement right away. You can start with a general idea or even a question you want to explore. As you brainstorm and research, your thesis will likely evolve and become more focused.
Think of it as a process:
1. Identify your topic: What are you passionate about? What do you want to share with your audience?
2. Brainstorm: Write down everything that comes to mind about your topic.
3. Craft your thesis statement: From your brainstorming, identify the central point you want to make.
4. Develop your supporting arguments: How will you prove or illustrate your thesis?
5. Organize your speech: Decide on the order you'll present your arguments.
6. Write your introduction and conclusion: Once you have a clear structure, you can craft the opening and closing of your speech.
Remember, speechwriting is an iterative process. Don't be afraid to experiment and refine your ideas along the way!