Need for heart preparation
God can work mightily through the individual that has given him/herself up to the control of the holy spirit. It is very important that the prayer facilitator come to the prayer room with his/her heart emptied of self and filled with the holy spirit. The individual who rushes to the prayer room to lead out will not be as effective as the one who comes to the prayer room after having spent time in the presence of God. So mightily can God work when men give themselves up to the control of His Spirit