Thus far he suffered interest or obedience to carry him; but further he refused to go. When he found that the powers of the ecclesiastical commission were to be exercised against those who had refused the Declaration, he wrote to the lords, and other commissioners, a formal profession of his unwillingness to exercise that authority any longer, and withdrew himself from them. After they had read his letter, they adjourned for six months, and scarcely ever met afterwards.
When king James was frighted away, and a new government was to be settled, Sprat was one of those who considered, in a conference, the great question, whether the crown was vacant; and manfully spoke in favour of his old master.
He complied, however, with the new establishment, and was left unmolested; but in 1692 a strange attack was made upon him by one Robert Young and Stephen Blackhead, both men convicted of infamous crimes, and both, when the scheme was laid, prisoners in Newgate. These men drew up an Association, in which they whose names were subscribed declared their resolution to
