When you are generous to another person, you are not bestowing a gift, but repaying a debt. Everything you possess materially comes from God, who created all things. And every spiritual and moral virtue you possess is through divine grace. Thus you owe everything to God. More than that, God has given you his Son, to show you how to live: how to use your material possessions, and how to grow in moral and spiritual virtue. We may say that your material and spiritual possession cost God nothing; God created the universe in order to express His glory. But the gift of his Son was supremely costly, because His Son suffered and died for our sakes. The agony of Christ on the cross is the measure of how much God loves us. For this reason we should take none of our gifts-- material or spiritual --for granted; day by day we should give thanks to God for what He has bestowed on us. Once this spirit of gratitude infuses us, we shall see generosity for what it is. When we help someone in need, we shall be saved from any temptation to take pride in our actions. On the contrary, we will regard our act as no more than a small token of appreciation for all that we have received - or, more precisely, the repayment of a tiny fraction of God's blessings.
In the eyes of God, it is always preeminently right that a man should spend himself in devising new means for spreading consolation to his subordinates, who are his charges.
Inside us evil is at work suggesting unworthy inclinations. However, it is not in us in the same way as, to take as an example, water mixes with wine. Evil is in us without being mixed with good. We are a field in which wheat and weeds are growing separately. We are a house in which there is a thief, but also the owner. We are a spring which rises from the middle of the mud, but pours out pure water. All the same, it is enough to stir up the mud and the spring is fouled. It is the same with the soul. If the evil is spread, it forms a unity with the soul and makes it dirty. With our consent, evil is united with the soul; they become accomplices. Yet there comes a moment when the soul can free itself and remain separate again: in repentance, contrition, prayer, recourse to God. The soul could not benefit from these habits if it were always sunk in evil. It is like a marriage. A woman is united with a man and they become one flesh. But when one of them dies, the other is left alone. But union with the Holy Spirit is complete. So, let us become a single spirit with Him. Let us be wholly absorbed by grace.
You write that after Communion you felt well. Glory be to God, Who comforts our unworthiness. And as regards the fact that this soon passed, here also is seen His fatherly providence for us. For continual consolation enfeebles the soul and makes it slothful, or leads to even greater harm. That is why the Lord takes it away quickly and again makes us feel our weakness, our helplessness, and our sinfulness. We must humble ourselves more, reproach ourselves, offer repentance for our sins, and not desire consolations, but patiently endure what God allows. Dryness and cooling of fervor are also permitted on account of vainglory.
You know that evil entered into us through the transgression of the commandments. Hence it is obvious that by keeping them, evil departs from us. But without the doing of the commandments we should not even aspire or hope for purity of soul, because at the very outset we do not walk on the path that leads us to purity of soul. Do not say that God can give us the grace of purity of soul even without our keeping the commandments.
For not only are spiritual riches and heavenly gifts received from God, but earthly and material possessions also proceed from His bounty, that He may be justified in requiring an account of those things which He has not so much put in our possession, as committed to our stewardship. God’s gifts, therefore, we must use properly and wisely, lest the material for good work should become an occasion for sin.