The Glasse Of Gods Providence Towards His Faithfvll Ones. Held forth in a Sermon preached to the two Houses of Parliament, at Margarets West- minster, Aug.13.1644. being an extra- ordinary Day of Humiliation. Wherein is discovered the great failings that the best are liable unto; upon which God is provoked some- times to take Vengeance. The whole is applyedspecially to a more carefull obser- vation of our late Covenant, and particularly against the ungodly Toleration pleaded for under pretence of Liberty of Conscience