1. Blood is thicker than water
Scientifically speaking, the statement is usually true
Metaphorical proverb meaning family ties are stronger than mere friendships

2. Family ties can hinder our service to God
1 Corinthians 7: But I want you to be without care. He who is unmarried cares for the things of the Lord--how he may please the Lord. But he who is married cares about the things of the world--how he may please his wife.
Matthew 10: For I have come to set a man against his father, and a daughter against her mother, and a daughter-in-law against her mother-in-law. And a person's enemies will be those of his own household

3. Friendship
Proverbs 18:24 A man of many companions may come to ruin (a man who has friends must himself be friendly)
Luke 15:13 And not many days after, the younger son gathered all together, journeyed to a far country, and there wasted his possessions with prodigal living.
Proverbs 18:24 but there is a friend who sticks closer than a brother.

4. Our spiritual family
Matthew 6:32 For after all these things the Gentiles seek. For your heavenly Father knows that you need all these things.
Matthew 12:50 For whoever does the will of My Father in heaven is My brother and sister and mother."

5. Our spiritual family
Philippians 4:1 Therefore, my beloved and longed-for brethren, my joy and crown, so stand fast in the Lord, beloved.
1 Corinthians 4: I do not write these things to shame you, but as my beloved children I warn you. For though you might have ten thousand instructors in Christ, yet you do not have many fathers; for in Christ Jesus I have begotten you through the gospel.

6. How should we treat each other?
Romans 11:25 For I do not desire, brethren, that you should be ignorant of this mystery
1 Corinthians 8: But when you thus sin against the brethren, and wound their weak conscience, you sin against Christ. Therefore, if food makes my brother stumble, I will never again eat meat, lest I make my brother stumble.

7. How should we treat each other?
1 Corinthians 15:58 Therefore, my beloved brethren, be steadfast, immovable, always abounding in the work of the Lord, knowing that your labor is not in vain in the Lord.
2 Corinthians 13:11 Finally, brethren, farewell. Become complete. Be of good comfort, be of one mind, live in peace; and the God of love and peace will be with you.

8. How should we treat each other?
Romans 12:1 I beseech you therefore, brethren, by the mercies of God, that you present your bodies a living sacrifice, holy, acceptable to God, which is your reasonable service.
Galatians 6:1 Brethren, if a man is overtaken in any trespass, you who are spiritual restore such a one in a spirit of gentleness, considering yourself lest you also be tempted

9. How should we treat each other?
1 Thessalonians 5:14 Now we exhort you, brethren, warn those who are unruly, comfort the fainthearted, uphold the weak, be patient with all.
1 Thessalonians 3:7 therefore, brethren, in all our affliction and distress we were comforted concerning you by your faith.

10. How should we treat each other?
2 Thessalonians 3:6 But we command you, brethren, in the name of our Lord Jesus Christ, that you withdraw from every brother who walks disorderly and not according to the tradition which he received from us.
James 5:9 Do not grumble against one another, brethren, lest you be condemned. Behold, the Judge is standing at the door!

11. How should we treat each other?
1 Peter 1:22 Since you have purified your souls in obeying the truth through the Spirit in sincere love of the brethren, love one another fervently with a pure heart,
Galatians 6:10 Therefore, as we have opportunity, let us do good to all, especially to those who are of the household of faith.
1 Peter 4:9 Be hospitable to one another without grumbling.