1 Thessalonians 5.1-8 (Epistle)

1But of the times and the seasons, brethren, ye have no need that I write unto you. 2For yourselves know perfectly that the day of the Lord so cometh as a thief in the night. 3For when they shall say, Peace and safety; then sudden destruction cometh upon them, as travail upon a woman with child; and they shall not escape. 4But ye, brethren, are not in darkness, that that day should overtake you as a thief. 5Ye are all the children of light, and the children of the day: we are not of the night, nor of darkness. 6Therefore let us not sleep, as do others; but let us watch and be sober. 7For they that sleep sleep in the night; and they that be drunken are drunken in the night. 8But let us, who are of the day, be sober, putting on the breastplate of faith and love; and for an helmet, the hope of salvation.

Luke 18.31-34 (Gospel)

31Then he took unto him the twelve, and said unto them, Behold, we go up to Jerusalem, and all things that are written by the prophets concerning the Son of man shall be accomplished. 32For he shall be delivered unto the Gentiles, and shall be mocked, and spitefully entreated, and spitted on: 33And they shall scourge him, and put him to death: and the third day he shall rise again. 34And they understood none of these things: and this saying was hid from them, neither knew they the things which were spoken.

Holy Martyr Mercurius of Smolensk (1238)

He was a soldier from Byzantium, one of the defenders of Smolensk when it was besieged by the Tatars in 1238. One day the Mother of God appeared to Mercurius and told him that the Tatars were preparing a surprise attack — and, further, that he must take up arms and attack the enemy singlehandedly. Placing all his trust in God, the lone soldier threw himself against the Tatar host crying ‘Most Holy Mother of God, help me!’ He was quickly surrounded and cut down, and it appeared that his action had been as foolhardy as it had seemed, when a woman at the head of a glorious host, all of them surrounded by light, appeared and threw back the Tatar army. The next morning the people of Smolensk found the ground covered with the bodies of their enemies. They buried Mercurius in the Cathedral, where he has been venerated as a Martyr ever since.

Great Martyr Mercurius (ca. 259)

He was born in the province of Asia, to a Scythian who had secretly converted to Christianity. Like his parents, he was a secret follower of Christ, serving as a legionary in the Roman army during the reign of the Emperor Decius. During a campaign, an Angel appeared to him, gave him a sword and told him to go into battle trusting in Christ’s help. Mercurius plunged into battle, fought his way alone through the enemy lines, and reached the barbarian commander Rigas, whom he killed. Upon the death of their chief the barbarians scattered and the victory was won.

The Emperor, hearing of the young soldier’s exploits, promoted him to a position at court. There, lulled by the pleasures and honors of the court, Mercurius forgot his duties to Christ his King. One night the same Angel who had given him the sword appeared to him once again and reminded him of the sword that Christ had given him, an emblem of the battle of martyrdom that he was about to enter. The next day Mercurius, now returned to his senses, refused to offer sacrifice to the gods. When called before the Emperor, he boldly proclaimed Christ and threw off his badges of office. He was thrown in prison and subjected to cruel tortures, all of which he bore with peace and joy, encouraged by the Angel who appeared to him again to offer comfort and encouragement. After long torment he was beheaded in Caesarea in Cappadocia, at the age of twenty-five.