You were once darkness but now you are a shining light for Jesus.

“which thing is true in Him and in you, because the darkness is passing away, and the true light is already shining.” (1Jn 2:8)
“You are the light of the world.” (Matt 5:14)
“For you were once darkness, but now you are light in the Lord. Walk as children of light” (Eph 5:8)
“Therefore let us cast off the works of darkness, and let us put on [enduo] the armor of light.” (Rom 13:12)
“Let your light so shine before men, that they may see your good works and glorify your Father in heaven.” (Matt 5:16)
“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)
“They walk, O LORD, in the light of Your countenance.” (Ps 89:15)
“O house of Jacob, come and let us walk in the light of the LORD.” (Isa 2:5)
“While you have the light, believe in the light, that you may become sons of light.” (Jn 12:36)
“giving thanks to the Father who has qualified us to be partakers of the inheritance of the saints in the light” (Col 1:12)
“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)
“He who loves his brother abides in the light, and there is no cause for stumbling in him.” (1Jn 2:10)
“Now to Him who is able to keep you from stumbling, and to present you faultless before the presence of His glory with exceeding joy” (Jude 1:24)
“Therefore, brethren, be even more diligent to make your call and election sure, for if you do these things you will never stumble” (2Pet 1:10)
Reading: 1Jn 1-3; Mk 2