You were called out of darkness by Jesus, the Light of the World. You are His light.

“For it is the God who commanded light to shine out of darkness, who has shone in our hearts to give the light of the knowledge of the glory of God in the face of Jesus Christ.” (2Cor 4:6)
“Then Jesus spoke to them again, saying, I am the light of the world. He who follows Me shall not walk in darkness, but have the light of life.” (Jn 8:12)
“He has delivered us from the power of darkness and conveyed us into the kingdom of the Son of His love” (Col 1:13)
“For you were once darkness, but now you are light in the Lord. Walk as children of light” (Eph 5:8)
“But you are a chosen [elektos] generation, a royal priesthood, a holy nation, His own special people, that you may proclaim the praises of Him who called you out of darkness into His marvelous light” (1Pet 2:9)
“to open their eyes, in order to turn [epistrepho] them from darkness to light, and from the power [exousia] of Satan to God, that they may receive forgiveness [aphesis] of sins and an inheritance among those who are sanctified [hagiazo] by faith in Me.” (Acts 26:18)
“I have come as a light into the world, that whoever believes in Me should not abide in darkness.” (Jn 12:46)
“The night is far spent, the day is at hand. Therefore let us cast off the works of darkness, and let us put on the armor of light.” (Rom 13:12)
“For we do not wrestle against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this age, against spiritual hosts of wickedness in the heavenly places.” (Eph 6:12)
“But you, brethren, are not in darkness, so that this Day should overtake you as a thief.” (1Thes 5:4)
“You are all sons of light and sons of the day. We are not of the night nor of darkness.” (1Thes 5:5)
“This is the message which we have heard from Him and declare to you, that God is light and in Him is no darkness at all.” (1Jn 1:5)
“But if we walk in the light as He is in the light, we have fellowship with one another, and the blood of Jesus Christ His Son cleanses us from all sin.” (1Jn 1:7)
Reading: 2Cor 2-4; Lk 3