The glasse of Gods providence towards his faithfvll ones : held forth in a sermon preached to the two Houses of Parliament at Margarets Westminster, Aug. 13, 1644, being an extraordinary day of humiliation : wherein is discovered the great failings that the best are liable unto, upon which God is provoked sometimes to take vengeance : the whole is applyed specially to a more carefull observation of our late covenant, and particularly against the ungodly toleration pleaded for under pretence of liberty of conscience /