People’s greatest heartbreak
1- The Messenger of God (may God bless him and his family): The most penitent of people on the Day of Resurrection will be a man who sold his hereafter for the worldly life of someone else.
1- The Prophet (S) said, ‘The person with the most intense remorse on the Day of Resurrection will be the man who sold his hereafter for the world of others.'[Kanz al-‘Ummal, no. 14936]
2- Imam Ali (peace be upon him): The greatest of the signs is the day of resurrection, the righteousness of a man who has earned money in the other than the obedience of God, so he will he inherit it, so he will spend it in obedience to God.
2- Imam Ali (as) said, ‘The greatest of regrets on the Day of Resurrection will be the regret of a man who gained wealth through means of disobedience Allah, which was then inherited by a man who spent it in the obedience of Allah , glory be to Him; thus because of it [ie the same wealth] the latter entered Paradise whereas the former entered the Fire.'[Nahjul Balaghah, Saying 429]
3- Imam al-Sadiq (peace be upon him): The greatest of people on the Day of Resurrection will be the one who described justice and then changed it to something else.
3- Imam al-Sadiq (as) said, ‘The most regretful person on the Day of Resurrection will be the man who speaks of justice yet acts in opposition to it with others.'[Amali al-Tusi, p. 663, no. 1386]