The justices of the supreme court, chancellors, and the judges of the circuit courts and other courts of record, except probate courts, shall, at stated times, receive for their services a compensation which shall not be diminished during their official terms; they shall receive no fees or perquisites, nor hold any office, except judicial offices, of profit or trust under this state or the United States, or any other government, during the term for which they have been elected or appointed.