Mistake of court – “Now, Their Lordships are of opinion, that one of the first and highest duties of all courts is to take care that the act of the court does no injury to any of the suitors, and when the expression ‘the act of the court' is used, it does not mean merely the act of the primary court, or of any intermediate court of appeal, but the act of the court as a whole, from the lowest court which entertains jurisdiction over the matter up to the highest court which finally disposes of the case. It is the duty of the aggregate of those Tribunals, if I may use the expression, to take care that no act of the court in the course of the whole of the proceedings does an injury to the suitors in the court –