What is Bentham's definition of the Principle of Utility?

What is an example you could use to demonstrate Bentham's principle?

What is a good action for Bentham?

What quote could you use to show what Bentham though human nature was directed by?

What type of utilitarianism is Bentham's and what does it mean?

What is the key problem with Act utilitarianism that is relevant to what Bentham intended it for?

What are the 3 main principles of his approach?