Procession of the Precious Wood of the Life-giving Cross of the Lord and the Feast to the All-Merciful Saviour and the Most Holy Mother of God.

The Orthodox Church celebrates on Aug. 14/Aug 1 two feasts:
Procession of the Precious Wood of the Life-giving Cross of the Lord (1164) (First of the three "Feasts of the Saviour" in August) and the Feast to the All-Merciful Saviour and the Most Holy Mother of God.

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When leaving your home, be sure to read the prayer to the cross of the Lord, and when you have a meeting with people you are afraid of, read this prayer too.
And the Lord and your Guardian Angel will protect you from all evil.
Yes, there are now people who consciously choose evil, but they cannot do anything to those who are with God. After all, the enemy is strong, but only the Lord is omnipotent.

From the letters of Archimandrite John (Krestiankin)

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Prayer to the Cross of the Lord:
Let God arise and let His enemies be scattered, and let them that hate Him flee from before His face. As smoke vanisheth so let them vanish; as wax melteth before the fire, so let the demons perish from the presence of them that love God and who sign themselves with the sign of the Cross and say in gladness: Rejoice, most precious and life-giving Cross of the Lord, for Thou drivest away the demons by the power of our Lord Jesus Christ Who was crucified on Thee, Who went down to hades and trampled on the power of the devil, and gave us thee, His precious Cross, for the driving away of every adversary. O most precious and life-giving Cross of the Lord, help me together with the holy Lady Virgin Theotokos, and with all the saints, unto the ages. Amen.

or shorter version
Protect me, Lord, with the power of Thy Holy and Life-giving Cross, and save me from all evil.