Whoever is scattered by worries, Allah does not care in which valley of the world he perishes

It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) said: "Whoever makes all his concerns a single concern (the Hereafter), Allah will suffice him against the worries of his worldly life and his Hereafter. And whoever is scattered by his concerns (along the various paths of the world), Allah does not care in which of the valleys of this world he perishes."
This hadith has a sahih (authentic) chain of narration, but the two Shaykhs (Bukhari and Muslim) did not record it.

It is narrated from Sayyiduna Abu Ubaydah bin al-Jarrah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "The heart of the son of Adam is like a sparrow; it turns over seven times in a day."
This hadith is sahih (authentic) on the condition of Muslim, but the two Shaykhs did not record it.

It is narrated from Sayyiduna Abu Sa'id al-Khudri (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "If one of you were to do a deed inside a solid rock that has no door and no opening, Allah Almighty would bring his deed out (before people), whatever that deed may be."

It is narrated from Sayyiduna Abu Sa'id al-Khudri (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Hidden shirk (concealed association of partners with Allah) is that a man does a deed (for show) because of another man's presence or standing."
This hadith has a sahih (authentic) chain of narration, but the two Shaykhs (Bukhari and Muslim) did not record it.

It is narrated from Sayyiduna Shaddad bin Aws (may Allah be pleased with him) that he said: "In the blessed era of the Messenger of Allah (peace and blessings be upon him), we used to count showing off (riya') as the lesser shirk (minor association of partners with Allah)."
This hadith has a sahih (authentic) chain of narration, but the two Shaykhs (Bukhari and Muslim) did not record it.

It is narrated from Sayyiduna Shaddad bin Aws (may Allah be pleased with him) that he said: I heard the Messenger of Allah (peace and blessings be upon him) saying: "Whoever prays to show off, and whoever fasts to show off, has certainly committed shirk; and whoever gives charity to show off has certainly committed shirk as well."

It is narrated from Tawus (may Allah have mercy on him) that a man said: O Prophet of Allah! I stand in a place (for a good deed) where my aim is to seek the pleasure of Allah, but I also like that my position be seen (by people). The Messenger of Allah (peace and blessings be upon him) gave him no reply until this verse was revealed: "So whoever hopes to meet his Lord, let him do righteous deeds." [Surah al-Kahf: 110]