Chapter 272: Section 36. Blasphemy.
Section 36. Whoever wilfully blasphemes the holy name of God by denying, cursing or contumeliously reproaching God, his creation, government or final judging of the world, or by cursing or contumeliously reproaching Jesus Christ or the Holy Ghost, or by cursing or contumeliously reproaching or exposing to contempt and ridicule, the holy word of God contained in the holy scriptures shall be punished by imprisonment in jail for not more than one year or by a fine of not more than three hundred dollars, and may also be bound to good behavior.
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Commentary:
Aside from blatently making it illegal to say the words "Jesus Christ" in anger in Massaschusetts, a violation of your 1st ammendment rights of free speech, and of seperation of Church and State.
This law also states that you cannot deny the existance of God (say that you are an athiest). Not to mention that "bound to good behavior" is vague at best.