It's not a belief, but a fact. That you believe otherwise does not disregard the facts. And since you seem to refuse to make any point at all or take a stand, there is nothing to discuss. The earth is a sphere and will maintain it's easily provable shape to anyone who cares to pay attention, regardless of your pathologic skepticism.
Alternative thinkers everywhere disagree with you.
That they disagree without evidence is irrelevant to the fact that it's a sphere. And I've already addressed the shape and the motion on another post. why not just discuss this on a single post to avoid complexity and repetition.