1) Hide your face behind the microphone.
2) Explain how you were asked to give the talk.
3) Apologize for ... well, anything.
4) Over explain your point. You'll sound like this:
5) Try to sound like a general authority or Old Testament prophet.
1) Adjust the mic.
2) Share a relevant personal experience.
3) Back it up with a scripture or two.
4) Keep it simple.
5) Be sincere.
Just had to get that off my chest.