Motivation is about a desire to win. If you can communicate to your audience that you are going to get something from your talk, such as time, money or more prestige, they will listen and want to learn how. Another way to open a talk is to say, "There are three things that you must do to double your income over the next twelve month.
SOURCE LINK-- https://biggestworldblog.blogspot.com/2022/08/8-public-speaking-techniques-to-wow.html