Uswa ḥasana: A good example worth following
The Quran uses this phrase for the Prophet, whose conduct carried the lesson. Words fade quickly once the person saying them is gone, and what stays is the memory of how they lived day after day. Someone who lived what they taught can leave calmly, because the lesson stays behind in the people who watched.
Kasb: Earning your own living
The Prophet praised the food a person earns with their own hands, and al-Ghazali gave honest trade a whole book of his Revival. Many early Sufis stayed at their trades, selling cloth or working leather, treating the shop as one more place where character shows. Covering your own costs changes how your words land, since nobody has to wonder whether the teaching came with a bill.
Īthār: Putting others ahead of yourself
The word names handing someone the better share and keeping the smaller one. The Quran praises people who gave away food they needed themselves, and the early Sufis took that as the standard. Carrying people who can never pay you back costs something every time, and after long enough they stop feeling like extra work.
The giving hand is better than the receiving hand: giving holds the higher place
A saying of the Prophet that Sufis repeat constantly. Plain arithmetic says the receiver comes out ahead, since they end the day with more than they started with. Anyone who has given steadily for years knows otherwise, because the gladness of handing something over lasts far longer than the gladness of getting something.
Ikhlāṣ: Sincerity, wanting nothing back
Al-Ghazali makes this the thing that decides whether an act counts. Help given with an eye on thanks or loyalty quietly becomes a trade, and the person receiving it can feel the debt sitting there. When nothing is wanted in return, the help stays clean, and nobody walks away owing anything.