In case that if it accomplishes this pretension, the possibility will be assured to all to occupy distinct social positions; the important one is that nobody can be injured of its basic freedom and that the distribution of income and wealth is not disadvantageous for the too much citizens, exactly being intent at the hands of whom had promoted the high positions due to the posterior contingencies to the formularization and application of the principles in the original position. The social and economic profit, according to Rawls, cannot be superior to the right to the basic freedom, that is, he would not be correct to abdicate of its basic freedom? either of the conscience, either of thought? to get certain social advantages, that for right are assured and accessible. Thus it affirms that: ' ' (…); being organized in sequence serial, them they do not allow to exchanges between basic freedoms and social and economic profits, not to be in circumstances atenuantes.' ' (RAWLS, p 67). That is, the first principle always must be aimed at with a bigger approach. In the formularization of the justice contract, the parts will be able until conjecturar on some ways to consider the principles taxes, one of them if it bases on the beginning of efficiency that affirms the following one: the principles would be permanent (or durable) to the point of being unnecessary to reformulate them; but in this point it would have to consider that a society is not isolated of excessively and its citizens they do not occupy compatible similar functions or representation and that the later contingencies reverse speed-will be managed and the detainers of the new positions will not content themselves with this balance, therefore as it affirmed well Hume very: ' ' Our primitive instincts lead in or to grant them to we ourselves a limitless freedom or to look the domain on the others; alone the reflection takes in them to sacrifice these strong passions to the interests of the peace and the order pblica.' ' (HUME, p 208). .