He would be guilty of mortal sin, because he exposes himself to the danger of grievously offending God. Hence, before he acts he must lay aside the doubt; and if he has not hitherto done so, he must confess it, at least, as it is before God. But the scrupulous, who have doubts about everything, must follow another rule: they must obey their confessor. When he tells them to conquer their doubts, and to act against scruples, they should obey with exactness; otherwise they will render themselves unable and unfit to perform any spiritual exercise.
Alphonsus LiguoriIf, on a rare occasion, it is necessary to speak with some severity in order to make a grievous crime felt, we should always, at the conclusion of the rebuke, add some kind words. We must heal wounds, as the Samaritan did, with wine and oil. But as oil floats above all other liquors, so meekness should predominate in all our actions.
Alphonsus LiguoriThe way to Heaven is straight and narrow: they who wish to arrive at that place of bliss by walking in the paths of pleasure shall be disappointed; and therefore few reach it, because few are willing to use violence to themselves in resisting temptations.
Alphonsus LiguoriTrue, He is infinite Majesty, but He is also infinite Goodness and infinite Love. There can be no greater Lord than God; neither can there be a more ardent lover than He.
Alphonsus Liguori