Article 3, Section 1
Massachusetts Constitution of 1780, CH. 3, ARTS. 1, 2Thorpe 3:1905
Article I. The tenure, that all commission officers shall by law have in their offices, shall be expressed in their respective commissions. All judicial officers, duly appointed, commissioned, and sworn, shall hold their offices during good behavior, excepting such concerning whom there is different provision made in this constitution: provided, nevertheless, the governor, with consent of the council, may remove them upon the address of both houses of the legislature.
II. Each branch of the legislature, as well as the governor and council, shall have authority to require the opinions of the justices of the supreme judicial court, upon important questions of law, and upon solemn occasions.
The Founders' Constitution
Volume 4, Article 3, Section 1, Document 6
The University of Chicago Press
Thorpe, Francis Newton, ed. The Federal and State Constitutions, Colonial Charters, and Other Organic Laws of the States, Territories, and Colonies Now or Heretofore Forming the United States of America. 7 vols. Washington, D.C.: Government Printing Office, 1909.