Daniel 
Briefly: Bentham’s An introduction to the principles of morals and legislation [EPUB ebook] 

In the Introduction to the Principles of Morals and Legislation (1789), Bentham strove ‘to cut a new road through the wilds of jurisprudence’. Laws should be socially useful and not merely reflect the status quo; and, that while he believed that human beings inevitably pursue pleasure and avoid pain, Bentham thought it to be a ‘sacred truth’ that ‘the greatest happiness of the greatest number is the foundation of morals and legislation’.