ANSWER:
The primary function of a Supreme Court Justice is to be obedient to the text of our Constitution, and give effect to its documented legislative intent which gives context to its text.

JWK

Those who reject abiding by the intentions and beliefs under which our Constitution was agree to, as those intentions and beliefs may be documented from historical records, wish to remove the anchor and rudder of our constitutional system so they may then be free to “interpret” the Constitution to mean whatever they wish it to mean.