In his book "Speak Up with Confidence", Jack Valenti advises on how to be a better and more convincing speaker. Valenti, who has experience in public service and Hollywood, stresses that speaking well isn't about using fancy words or perfect grammar. Instead, it's about clearly communicating your message and connecting with your audience. He believes that confidence comes from being well-prepared and knowing your material thoroughly.

Valenti advises readers to focus on their audience, understand their needs, and tailor the message to resonate with them. He also highlights the importance of storytelling, using personal experiences and anecdotes to make your points more relatable and engaging. By practicing your speech and staying calm under pressure, you can build your confidence and deliver more effective presentations.

Another important point from the book is Valenti's advice on dealing with nerves. He explains that nearly everyone feels nervous when speaking in front of others, but with the right mindset and practice, you can turn that nervous energy into a powerful tool that makes your presentation even more compelling.