On the authority of ‘Abdullah b. ‘Amr, that the Messenger of Allah said, “There are four qualities such that, if you have them, it will not harm you to be deprived of anything in the world:

(1) safeguarding trusts,
(2) truthfulness in speech,
(3) good character and
(4) purity of livelihood.”

Aḥmad (Mishkāt, Book of Softening the Hearts, Hadith no. 5222 and Sabih al-Jami’, Hadith no, 873).