What are the hadiths about sustenance? Examples of hadiths about sustenance…
According to Abu Hurayra (ra), the Messenger of Allah (saw) said, “Allah’s Hand is full, and (its fullness) is not affected by what He has expended, day and night.” And “Don’t you see what He has expended since He created the Heavens and the Earth? Yet all that has not decreased what is in His Hand.” He then added, “His Throne is over the water and in His other Hand is the balance (of justice) and He raises and lowers (it for whomever He wills).” (al-Bukhari, al-Tawhid, 19)
Habba and Sawaʾ, the sons of Khalid (al-Asadi) (ra) said, “We entered upon the Prophet (saw) when he was fixing something, so we helped him with it. Then he told us, ‘Do not despair of provision so long as your heads are still moving, for a person’s mother bears him red with raw skin, then Allah provides for him.’” (Ibn Maja, al-Zuhd, 14)
According to Abu Hurayra (ra), the Messenger of Allah (saw) said, “Look at those who are at a lower level than you but don’t look at those who are at a higher level than you, for this is more appropriate for you not to deem the favors (conferred upon you by Allah) insignificant (in your eyes).” (Muslim, al-Zuhd, 9)
According to al-Miqdam (ra), the Prophet (saw) said, “Nobody has ever eaten a better meal than that which he has earned by working with his own hands.” (al-Bukhari, al-Buyuʿ, 15)
According to Jabir (b. ʿAbd Allah) (ra), the Prophet (saw) said, “If someone is given a blessing, and he mentions it, he is thankful for it, and if he conceals it, he is ungrateful for it.” (Abu Da’ud, al-Adab 11)
According to the narration of ‘Amr b. Shuʿayb, his father said that his grandfather (ra) said that the Messenger of Allah (saw) said, “Indeed Allah loves to see the results of his favors upon His servants.”(al-Tirmidhi, al-Adab, 54; Ibn Hanbal, IV, 438)
Source: Presidency Of Religious Affairs The Turkey, Islam Through Hadiths