1 John 5:1-5
Whoever believes that Jesus is the Christ has been born of God. Whoever loves the Father also loves the child who is born of him. By this we know that we love the children of God, when we love God and keep his commandments. For this is loving God, that we keep his commandments. His commandments are not grievous. For whatever is born of God overcomes the world. This is the victory that has overcome the world: your faith. Who is he who overcomes the world, but he who believes that Jesus is the Son of God?
Psalm 19
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John 15:4a,5b
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John 15:1-8
“I am the true vine, and my Father is the farmer. Every branch in me that doesn’t bear fruit, he takes away. Every branch that bears fruit, he prunes, that it may bear more fruit. You are already pruned clean because of the word which I have spoken to you. Remain in me, and I in you. As the branch can’t bear fruit by itself, unless it remains in the vine, so neither can you, unless you remain in me. I am the vine. You are the branches. He who remains in me, and I in him, the same bears much fruit, for apart from me you can do nothing. If a man doesn’t remain in me, he is thrown out as a branch, and is withered; and they gather them, throw them into the fire, and they are burned. If you remain in me, and my words remain in you, you will ask whatever you desire, and it will be done for you. “In this is my Father glorified, that you bear much fruit; and so you will be my disciples.
References: General Roman Calendar via litcal.johnromanodorazio.com (AGPL-3.0). Scripture text: World English Bible (public domain) via bible-api.com. Canonical Catholic text (NABRE): usccb.org.