Liaison office of Grand Ayatullah Sayyid Ali Al Sistani (L.M.H.L) in London, Europe, North and South America.
2059. It is recommended for a business man to learn the rules of daily
transactions. In fact, if due to ignorance, he may necessarily contradict the
laws of Shariah, then it is obligatory upon him to learn. Imam Ja'far Sadiq
(A.S.) is reported to have said: "A person who wishes to engage in business,
should learn its rules and laws, and if he makes any transaction without
learning them, he may suffer because of entering into a void or doubtful
transactions".
2060. If a person is not aware, because of ignorance about the
relevant laws, whether the transaction made by him is valid or void, he cannot
have any discretion over the property which he has acquired, unless he knows
that the other party has no objection to it. In any case, the transaction
remains void.
2061. If a person does not possess any wealth, and it is obligatory on
him to maintain his dependents, like, his wife and children, he should start
earning. Moreover, to earn is recommended for Mustahab acts like providing
better means of livelihood to one's family, and helping the poor persons.