Jane witnessed a serious car accident where a young girl was hit by a speeding lorry. She provided first aid and called for help, saving the girl's life. This experience inspired Jane to become an advocate for road safety. She started a petition and campaigned local officials to lower the speed limit. Through her passionate efforts, she successfully lobbied the council to change the speed limit. The story demonstrates that believing in an important cause allows one to communicate powerfully and motivate others to action. Presenters who are authentic and convinced of their message's importance are able to truly engage audiences.