Hadees Related to Intention (Niyat)

Anas ibne-Malik Radiyallahu 'anhu narrates that Rasulullah Sallallahu 'alaihi wasallam said: You have indeed left behind in Madina people who will have an equal share in reward in no matter whatsoever path you travel or whatever you spend and whatever
valley you cross. The Sahabah asked: O Rasulallah! How can they be with us when they are in Madina? He said: They intended to go out with you but were detained by a valid reason. (Abu Dawud)

Hadees Related to Intention (Niyat)

'A'ishah Radiyallahu 'anha narrates that Rasulallah Sallallahu 'alaihi wasallam said: An army will invade the Ka'bah; and when it reaches a barren plain, its men, from the first to the last, will be swallowed up by the earth. She says that I asked: O Rasulallah! How would the first and the last of them be swallowed up by the earth, when among them would be traders and people who were not a party to them. He said: The first and the last one of them would be swallowed up the earth; and when they will be resurrected they will be judged according to their intentions.(Sahih-Bukhari)

Hadees Related to Intention (Niyat)

Abu Hurairah Radiyallahu 'anhu narrates that Rasulullah Sallallahu 'alaihi wasallam said: Undoubtedly upon resurrection, people will be treated according to their intentions.(Ibne-Majah)

Hadees Related to Intention (Niyat)

'Umar ibnil Khattab Radiyallahu 'anhu narrated: I heard Rasulullah Sallallahu 'alaihi wasallam saying: Verily the reward of deeds depend upon intentions; and' indeed every man shall receive what he intended for. Thus, he whose migration was for ALLAH and His Messenger, so his migration will be considered for ALLAH and His Messenger. He whose migration was towards the world or to be married to some woman, his migration will be considered to be for what he migrated for. (Sahih-Bukhari)