nonetheless , a few words may not be amiss on what for me is the proper approach to take as to the lack of power of this court to pass on the motives of the legislative body , on the lack of persuasiveness of petitioner 's argument based on the equal protection guarantee , and on the fundamental concept of fairness of which the due process clause is an embodiment , thus calling for the nullification of the disqualification of a candidate upon the mere filing of charges against him .