There are two main ethical systems: deontological ethics which focuses on the intrinsic moral value of acts themselves, and teleological ethics which focuses on the consequences of acts. Utilitarianism is a form of teleological ethics that argues the morally right action is one that maximizes happiness or pleasure and minimizes harm or pain. There are two main types of utilitarianism: act utilitarianism which assesses individual acts, and rule utilitarianism which assesses rules that govern acts. Utilitarianism focuses on producing the greatest good for the greatest number but has weaknesses in knowing all future consequences of acts and balancing different types of happiness. Islam critiques utilitarianism for making morality too demanding, going beyond