John Rawls's "A Theory of Justice" posits justice as a fair framework where free people with equal rights work together in an economic system that is equitable to all. The Liberty Principle and the Equality Principle are two cornerstones of Rawls's theory, which advocates for just equity and individual liberty. Rawls believes humans should not be seen as mere tools to achieve social goals but as rational beings capable of reasoned choice. He advocates for a more equitable society where everyone has the chance to achieve their dreams. The "veil of ignorance," a thought experiment, suggests that society should be designed without knowing one's place in it, guaranteeing equitable distribution of rights and resources. However, Rawls's principles have faced criticism from communitarian thinkers Michael Sandel and Alasdair MacIntyre, who question their practicality and ethical coherence. Sandel argues that Rawls's theory promotes an "a social individualism" that damages the interdependence of people and their communities, while MacIntyre contends that morality is open to personal interpretation and cannot be universally rationalized. Despite these objections, Rawls's theory is still widely used, particularly in promoting democracy and reducing economic inequality through pre-distribution rather than post-hoc redistribution. However, concerns arise regarding the theory's applicability to modern capitalist systems, where it could impede innovation and productivity. Despite its intellectual strength, there is still debate over how to apply Rawls's theory of justice in a capitalist society, as it may fail to reconcile the complex realities of economic and social life with the abstract principles of fairness due to its conflict with economic imperatives and criticisms from communitarian and subjectivist viewpoints.