1 John 3:10-20 NIV

10 This is how we know who the children of God1 are and who the children of the devil2 are: Anyone who does not do what is right is not a child of God; nor is anyone who does not love3 his brother.4

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      Love One Another

      11 This is the message you heard5 from the beginning:6 We should love one another.7

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      12 Do not be like Cain, who belonged to the evil one8 and murdered his brother.9 And why did he murder him? Because his own actions were evil and his brother's were righteous.10

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      13 Do not be surprised, my brothers, if the world hates you.11

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      14 We know that we have passed from death to life,12 because we love our brothers. Anyone who does not love remains in death.13

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      15 Anyone who hates his brother14 is a murderer,15 and you know that no murderer has eternal life in him.16

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      16 This is how we know what love is: Jesus Christ laid down his life for us.17 And we ought to lay down our lives for our brothers.18

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      17 If anyone has material possessions and sees his brother in need but has no pity on him,19 how can the love of God be in him?20

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      18 Dear children,21 let us not love with words or tongue but with actions and in truth.22

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      19 This then is how we know that we belong to the truth, and how we set our hearts at rest in his presence
      20 whenever our hearts condemn us. For God is greater than our hearts, and he knows everything.