Speakers (and preachers) succeed if they are givers not takers, rapiers not ramblers, interesting not boring, and leave the inspiring to God.
Not all TED talks go viral. Some fall flat and into oblivion. 
The Sales Pitch: There’s a big difference between sharing an idea and pitching a sale. The key principle is to remember that the speaker’s job is to give to the audience, not take from them.
The Ramble: If people have given up some of their precious time and attention to listen to you, you’d better use that time and attention as well as possible.
The Org Bore: An organization is fascinating to those who work for it— and deeply boring to almost everyone else.
The Inspiration Performance: Inspiration is like love. You don’t get it by pursuing it directly through using every trick in the book of intellectual and emotional manipulation. “Inspiration is an audience response to authenticity, courage, selfless work, and genuine wisdom.”
Speakers (and preachers) succeed if they are givers not takers, rapiers not ramblers, interesting not boring, and leave the inspiring to God.
More articles in the Preaching Lessons from TED Talks series.