Abstract
John Rawls assumes that in the original position, under the veil of ignorance, after bargaining amongst each other, free, equal, moral and rational persons would make a rational decision to accept the principles of justice as fairness and thus the principles are established. Critics, however, question the authenticity and validity of this justification strategy. When rational individuals take the principles of justice as an original agreement, it is not a real contract. Rawls’s conception of justice as fairness is just a personal notion, some individuals may accept it, but it is impossible to be accepted by all human beings in a real world. Therefore there is a justification/acceptance paradox of those principles which are the core of his political philosophy. So how should we justify those principles? Its answers may be provided not in the light of a philosophical justification but of a scientific one.
