Proverbs 4:27

Virtue occupies the middle position; whence also he says, that manly courage is the mean between boldness and cowardice. And now he mentions the “right,” not meaning thereby things which are right by nature, such as the virtues, but things which seem to thee to be right on account of their pleasures. Now pleasures are not simply sensual enjoyments, but also riches and luxury. And the “left” indicates envy, robberies, and the like. For “Boreas,” says he, “is a bitter wind, and yet is called by name right.” For, symbolically, under Boreas he designates the wicked devil by whom every flame of evil is kindled in the earth. And this has the name “right,” because an angel is called by a right (propitious) name. Do thou, says he, turn aside from evil, and God will take care of thine end; for He will go before thee, scattering thine enemies, that thou mayest go in peace.

Now the way of the Lord is made straight in two fashions. First, in the way of contemplation, when thought is made clear in truth without any mixture of falsehood; and then in the way of conduct, after the sound contemplation of what ought to be done, when action is produced which harmonizes with sound theory of conduct. And that we may the more clearly understand the text, “Make straight the way of the Lord,” it will be well to compare with it what is said in the Proverbs, “Depart not, either to the right hand or to the left.” For he who deviates in either direction has given up keeping his path straight, and is no longer worthy of regard, since he has gone apart from the straightness of the journey, for “the Lord is righteous, and loves righteousness, and His face beholds straightness.” Hence he who is the object of regard, and receives the benefit that comes from this oversight, says, …

Let us hold fast, then, the confession of this faith, without faltering or failure. One alone is there who was born without sin, in the likeness of sinful flesh, who lived without sin amid the sins of others, and who died without sin on account of our sins. “Let us turn neither to the right hand nor to the left.” For to turn to the right hand is to deceive oneself, by saying that we are without sin; and to turn to the left is to surrender oneself to one’s sins with a sort of impunity, in I know not how perverse and depraved a recklessness. “God indeed knoweth the ways on the right hand,” even He who alone is without sin, and is able to blot out our sins; “but the ways on the left hand are perverse,” in friendship with sins. …

5. Mark well the counsel which the Holy Ghost gives us by Solomon: “Make straight paths for thy feet, and order thy ways aright. Turn not aside to the right hand nor to the left, but turn away thy foot from the evil way; for the Lord knoweth the ways on the right hand, but those on the left are perverse. He will make thy ways straight, and will direct thy steps in peace.” Now consider, my brethren, that in these words of Holy Scripture, if there were no free will, it would not be said, “Make straight paths for thy feet, and order thy ways; turn not aside to the right hand, nor to the left.” Nor yet, were this possible for us to achieve without the grace of God, would it be afterwards added, “He will make thy ways straight, and will direct thy steps in peace.”

11. For He that “did burst asunder the sea and made them go through, did confine the waters as it were in bottles” ( ver. 13 ), in order that the water might stand up first as if it were shut in, is able by His grace to restrain the flowing and ebbing tides of carnal desires, when we renounce this world, so that all sins having been thoroughly washed away, as if they were enemies, the people of the faithful may be made to pass through by means of the Sacrament of Baptism. He that “led them home in the cloud of the day, and in the whole of the night in the illumination of fire” ( ver. …

One would not err in comparing such men to those who are mad, or drunk, or delirious. All these things belong to vice, and it is worse than all these. He that is mad is much allowed for by those who see him, for his disease is not from choice, but from nature alone; but how shall he be pardoned, who lives in vice? Whence then is vice? whence are the majority bad? Tell me, whence have diseases their evil nature? whence is frenzy? whence is lethargy? Is it not from carelessness? If physical disorders have their origin in choice, much more those which are voluntary. …

34. This, however, I take to be generally admitted, that just as it is not safe for those who walk on a lofty tight rope to lean to either side, for even though the inclination seems slight, it has no slight consequences, but their safety depends upon their perfect balance: so in the case of one of us, if he leans to either side, whether from vice or ignorance, no slight danger of a fall into sin is incurred, both for himself and those who are led by him. But we must really walk in the King’s highway, and take care not to turn aside from it either to the right hand or to the left, as the Proverbs say. For such is the case with our passions, and such in this matter is the task of the good shepherd, if he is to know properly the souls of his flock, and to guide them according to the methods of a pastoral care which is right and just, and worthy of our true Shepherd.

And so one who wishes to go along the King’s highway by means of the “arms of righteousness which are on the right hand and on the left,” ought by the teaching of the Apostle to pass through “honour and dishonour, evil report and good report,” and with such care to direct his virtuous course amid the swelling waves of temptation, with discretion at the helm, and the Spirit of the Lord breathing on us, since we know that if we deviate ever so little to the right hand or to the left, we shall presently be dashed against most dangerous crags. …