<p>In "Golden Rules of Public Speaking", You will observe that there is nothing that can be substituted for personal sincerity. Unless you thoroughly believe in the message you wish to convey to others, you are not likely to impress them favourably.<br><br>Therein lies the key to successful oratory. When the truth of your message is deeply engraved on your own mind; when your own heart has been touched as by a living flame; when your own characte...