The unpardonable sin against the Holy Ghost. Or, the sin unto death, briefly discoursed of I. Proving what that Sin is. II. That all other Sins how great and heinous soever, may be forgiven unto men; but the Blasphemy against the Holy Ghost shall never be forgiven, neither in this World, nor in the World to come. To which is Added, Some Instructions, how a Man may walk, and not commit this unpardonable Sin. By the Rev. Mr. Thomas Halyburton, Professor of Divinity in the University of St. Andrews. Entered in Stationers Hall according to Act of Parliament.