It is a well said and well-worn statistic that people only remember 10 or 20% of what they read but 80% of what they see and hear. Human brain’s generally work better when they can see what is in front of them and if the subject matter is important and delivered with flourish and rhetoric. Getting the right person to do it can change the world. While you may not want to aim that high for your event if you need a Conference Speaker you can find a variety by searching online. Here are some of the most important speeches ever made in the ancient world that we still feel the effects of today.