This is a weak thesis because it merely states an observation. It does contain at least two clauses, usually an independent clause (the opinion) and a dependent clause (the reasons). This is a strong thesis because it shows that the two ideas are related.
Your thesis should indicate the point of the discussion. For students especially, crafting a thesis statement can be a challenge, but it's important to know how to write one because a thesis statement is the heart of any essay you write. In this thesis, I have made a claim about the theme. This sentence can tell a reader whether your essay is something they want to read. A persuasive thesis usually contains an opinion and the reason why your opinion is true. They need to be refined. Whether youre writing an argumentative paper, an informative essay, or a compare/contrast statement, you need a thesis. In college, five paragraph essays become few and far between as essay length gets longer.