Abu Musa reported from the Prophet ﷺ that he said, "A believer to another believer is like a building, each part strengthening the others." Bukhari added, then he interlaced his fingers.
ى، عن النبي ﷺ قال: المؤمن للمؤمن كالبنيان، يشد بعضه بعضا زاد البخاري: ثم شبك بين أصابعه.