A motivational speech

 

Picture via Examples.com

Pic via Iberdrola - Source: Chris Anderson

Watch some examples:

TED's secret to good public speaking 

TED's most popular Talk ever: Do schools kill creativity? 

TEDx Talks You Tube Channel and some very young public speakers:

Juliette Leong: "Revolutionizing the future of education"

Carson Byblow: "The mindset of a winner"

Cole Blakeaway: "We are all different and that's awesome":