Status: to be checked — The Arabic wording below is the famous, widely quoted wording. The exact reference (volume and Hadith number) in the five source books must be verified before use.
Said by: Imam Ali (as)
Arabic (عربی):
مَنِ اتَّجَرَ بِغَيْرِ فِقْهٍ ارْتَطَمَ فِي الرِّبَا
English translation:
"Whoever trades without understanding the law (of religion) will fall into usury."
Reference: [reference — to be verified]
💡 Explanation: Before doing business, a trader must learn what Islam allows and forbids in trade. Without that knowledge, even a well-meaning person can end up dealing in forbidden interest and unlawful gain.
💡 Remember:
Before doing business, a trader must learn what Islam allows and forbids in trade.