"I, A. B., do solemnly swear, that I will bear true faith and allegiance to the Commonwealth of Massachusetts, and will support the constitution thereof. So help me, God." Provided, That when any person shall be of the denomination called Quakers, and shall decline taking said oath, he shall make his affirmation in the foregoing form, omitting the word "swear" and inserting, instead thereof, the word "affirm," and omitting the words "So help me, God," and subjoining, instead thereof, the words, "This I do under the pains and penalities of perjury."Art. VII. No oath, declaration, or subscription, excepting the oath prescribed in the preceding article, and the oath of office, shall be required of the governor, lieutenant-governor, councillors, senators, or representatives, to qualify them to perform the duties of their respective offices.