Philippians 2:3; Romans 2:8; Romans 12:10

Philippians 2:3

3 Do nothing from selfishness or empty conceit, but with humility of mind regard one another as more important than yourselves;

Romans 2:8

8 but to those who are selfishly ambitious and do not obey the truth, but obey unrighteousness, wrath and indignation.

Romans 12:10

10 Be devoted to one another in brotherly love; give preference to one another in honor;