Believer to another Believer - Hadith

Bukhari :: Book 3 :: Volume 43 :: Hadith 626 Narrated Abu Musa: The Prophet said,

"A believer to another believer is like a building whose different parts enforce each other."

The Prophet then clasped his hands with the fingers interlaced (while saying that).

Bukhari :: Book 3 :: Volume 43 :: Hadith 623 Narrated Anas bin Malik: Allah's Apostle said,

"Help your brother, whether he is an oppressor or he is an oppressed one."