Memorize it and open with it. The impact of your message will be greater if you look good. If you care about the message you are sending, care enough to let your appearance help you. Dress to impress. Look em in the eye.
Most people judge credibility by the speaker s ability to maintain eye contact.
Seventy five percent of the time is about right. Keep it short. As Franklin Roosevelt once said, Be sincere, be brief, be seated . Less is more. Tell a personal story.