How and why to craft speeches based around emotion

Including the importance of a villain.
At their worst, speeches can be cold recitations of facts and figures that no one will remember past the moment they’re spoken.
At their best, they can be soaring oration that change hearts, stick in minds and impact the world.
Which they are depends in some measure on the person delivering it. But even the best orator on the planet can’t turn a dry speech into a masterpiece. Good speeches begin at the writing table, but the very best speeches b