5 Let us both therefore seek and ask for counsel. We have opportunity of consulting not any wise man, but Wisdom Herself. Let us then both give ear to Jesus Christ, “to the Jews a stumbling stone, and to the Gentiles foolishness, but to them who are called, both Jews and Greeks, Christ the Power of God and the Wisdom of God.” Why are you preparing a strong defence for your riches? Hear the Power of God, nothing is more strong than He. Why are you preparing wise counsel to protect your riches? Hear the Wisdom of God, nothing is more Wise than He. Peradventure when I say what I have to say, you will be offended, and so you will be a Jew, “because to the Jews is Christ an offense.” Or perhaps, when I have spoken, it will appear foolish to you, and so will you be a Gentile, “for to the Gentiles is Christ foolishness.” Yet you are a Christian, you have been called. “But to them who are called, both Jews and Greeks, Christ is the Power of God and the Wisdom of God.” Be not sad then when I have said what I have to say; be not offended; mock not my folly, as you deem it, with an air of disdain. Let us give ear. For what I am about to say, Christ has said. If you despise the herald, yet fear the Judge. What shall I say then? The reader of the Gospel has but just now relieved me from this embarrassment. I will not read anything fresh, but will recall only to your recollection what has just been read. You were seeking counsel, as failing in your own resources; see then what the Fountain of right counsel says, the Fountain from whose streams is no fear of poison, fill from It what you may.
6. “Lay not up for yourselves treasures on earth, where moth and rust does destroy, and where thieves break through and steal: But lay up for yourselves treasures in heaven, where no thief approaches, nor moth corrupts: For where your treasure is, there will your heart be also.” What more do you wait for? The thing is plain. The counsel is open, but evil desire lies hid; nay, not so, but what is worse, it too lies open. For plunder does not cease its ravages; avarice does not cease to defraud; maliciousness does not cease to swear falsely. And all for what? That treasure may be heaped together. To be laid up where? In the earth, and rightly indeed, by earth for earth. For to the man who sinned and who pledged us, as I have said, our cup of toil, was it said, “Earth you are, and to earth shall you return.” With good reason is the treasure in earth, because the heart is there. Where then is that, “we lift them up unto the Lord?” Sorrow for your case, you who have understood me; and if you sorrow truly, amend yourselves. How long will you be applauding and not doing? What you have heard is true, nothing truer. Let that then which is true be done. One God we praise, yet we change not, that we may not in this very praise be disquieted in vain.
Source: Sermons on Selected Lessons of the New Testament (New Advent)