“Whoever humbles himself one degree for the sake of Allah, Allah will raise him in status one degree, and whoever behaves arrogantly towards Allah one degree, Allah will lower him in status one degree, until He makes him among the lowest of the low.” [Sunan Abu Majah Book 37, Hadith 4316]

"The Messenger of Allah [PBUH] used to say: O Allah, I seek refuge in You from four: From knowledge that is of no benefit, from a heart that is not humble, from a soul that is not satisfied and from a supplication that is not answered." [Sunan an-Nasa'i 5467]

The Prophet (ﷺ) said: Allah has revealed to me that you must be humble, so that no one oppresses another and boasts over another. [Sunan Abi Dawud 4895]

Messenger of Allah (ﷺ) said, "Allah has revealed to me that you should humble yourselves to one another. One should neither hold himself above another nor transgress against another." [Muslim Book 1, Hadith 602]

Narrated Haritha bin Wahb:
I heard the Prophet (ﷺ) saying, "Shall I tell you of the people of Paradise? They comprise every poor humble person, and if he swears by Allah to do something, Allah will fulfill it; while the people of the fire comprise every violent, cruel arrogant person." [Sahih al-Bukhari 6657]

“Sadaqah does not decrease property and Allah increases the honor of him who forgives and no one will humble himself for Allah’s sake except that Allah raises his status.” [Muslim Book 16, Hadith 1530]

The Prophet [PBUH] used to seek refuge (with Allah) from four things: From knowledge that is of no benefit, from a heart that does not feel humble, from a supplication that is not heard, and a soul that is never satisfied. [Sunan an-Nasa'i 5442]