To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.

It is a sin to regard the fact that God cannot do the impossible as a limitation on his powers.

To bear with patience wrongs done to oneself is a mark of perfection, but to bear with patience wrongs done to someone else is a mark of imperfection and even of actual sin.

In questions of this sort there are two things to be observed. First, that the truth of the Scriptures be inviolably maintained. Secondly, since Scripture doth admit of diverse interpretations, that no one cling to any particular exposition with such pertinacity that, if what he supposed to be the teaching of Scripture should afterward turn out to be clearly false, he should nevertheless still presume to put it forward, lest thereby the sacred Scriptures should be exposed to the derision of unbelievers and the way of salvation should be closed to them.

Concerning perfect blessedness which consists in a vision of God.

It would seem that the ingratitude, whereby a subsequent sin causes the return of sins previously forgiven, is a special sin. For, the giving of thanks belongs to counter passion, which is a necessary condition of justice. But justice is a special virtue. Therefore this ingratitude is a special sin. Thanksgiving is a special virtue. But ingratitude is opposed to thanksgiving. Therefore ingratitude is a special sin.

There is nothing in your mind which wasn't experienced before hand.