Tony Morgan offers this advice when preparing to teach or present an idea:

#5 Sharing too many ideas. “Make your idea viral by encapsulating it in an unforgettable catchphrase that is between three and twelve words… Repeat your catchphrase at least three times during your presentation.” What’s your main message? Create a mantra. Say it. Repeat it. Repeat it again.

I recommend checking out the 9 points on 10 mistakes teaching pastors make.