It is declared to be the legislative intent that the purpose of this chapter is to promote the welfare and happiness of all of the people of this State by providing public assistance to all of its eligible needy, unemployable and distressed, that assistance shall be administered promptly and humanely with due regard for the preservation of family life and without discrimination on account of race, religion or political affiliation and that assistance shall be administered in such a way and manner as to encourage self-respect, self-dependency and the desire to be a good citizen and useful to society. It is further declared to be the legislative intent that public assistance be administered, to the extent practicable, in such a way that: