The Ruling on Saving and Accumulating Wealth

Question:
The matter of the Shaykh who is surprised by the surplus he has, with the intention that times change and he wants to provide for his children, this is an intention with nothing wrong with it.

Answer:
No, the reason for that is that a person saves money, and among the Companions (may Allah be pleased with them) were wealthy people.
So 'Abd al-Rahman ibn 'Awf and 'Uthman ibn 'Affan were among the best of the Companions and among the first to embrace Islam; they had much wealth and they gave charity from it and spent from it, so there is no harm in a person taking wealth for every kind of wealth, but on the condition that he pays the zakah. It is obligatory for him to pay the zakah; this is obligatory upon him, and that he gives charity from it in times of need.
Otherwise, what he accumulates and saves, there is no doubt that Allah the Exalted has made it lawful. Allah the Exalted only criticized , meaning they do not pay zakah, so this indicates that if they pay its zakah, it is permissible for them to accumulate it. So accumulating wealth is permissible with two conditions: the first condition is that it be from lawful earnings, not from haram (forbidden) sources; the second condition is that he pays the obligatory zakah on his blessings.