There are two kinds of comprehensive doctrines, religious and secular. Those of religious faith will say I give a veiled argument for secularism, and the latter will say I give a veiled argument for religion. I deny both. Each side presumes the basic ideas of constitutional democracy, so my suggestion is that we can make our political arguments in terms of public reason. Then we stand on common ground. That's how we can understand each other and cooperate.
John Rawls[E]ach person is to have an equal right to the most extensive basic liberty compatible with a similar liberty for others.
John RawlsThe fundamental criterion for judging any procedure is the justice of its likely results.
John Rawls