Day Questions

Given the death of every creation is predestined, is it permissible to smoke tobacco, for example, which decreases one’s lifespan?

As long as the individual is able to refrain from what could cause his death, he should protect himself. If he did not and performed what led to his death, he will be held accountable for making such decisions. One’s pre-destined death by Almighty Allah does not make him unaccountable for such negligence towards himself, as long as he is able to prevent himself from the causes of death.

Is it allowed to manufacture, sell, buy or use musical instruments that sometimes can be used in gatherings of corruption and sometimes are not used in such gatherings?

If there is a considerable amount of permissible usage generally of such an instrument, then it is allowed to buy, sell and manufacture them.

Is there a proper format or structure for a contract when arranging a temporary marriage other than agreeing on the amount of dower and setting a length of time for the marriage or is an informal verbal agreement between the two parties sufficient?

The woman can say: "I marry myself to you on a dower of so-and-so and for the duration of so-and-so." and mention the amount of dower and the duration of marriage and then the man accepts by saying: "I accept". He can start the contract by saying: "I marry you on a dower of so-and-so and for the duration of so-and-so" the woman then accepts by saying: "I accept". This can be in any language.