When the heart is sound, the whole body is sound: the inside decides the outside
The Prophet said the whole body follows one small piece of flesh, the heart. So a person can keep their hands clean and still carry something ugly toward someone they know well. Nobody else sees that heat, and it already shapes how they speak, how they look, how they act.
Ghaḍab: Anger
Al-Ghazali describes anger as a fire that flares up in the chest. In the first seconds the face heats, the mind starts building its case, and the other person shrinks down to whatever they did wrong. The flash fades on its own; the trouble starts when someone holds it, feeds it, and begins to enjoy being right.
Kaẓm al-ghayẓ: Holding rage back
The Quran praises people who swallow their rage and then let the other person off. Swallowing it still burns, and staying quiet through the burn costs something in the moment. Paying that cost is what keeps one hot minute from turning into something that cannot be taken back.
Pride is rejecting the truth and looking down on people: contempt is pride showing itself
The Prophet gave that as the whole definition of pride, and the second half is the part that stings. Dismissing someone in one word passes a judgment on what they are worth. The insult sounds like a fact about them, while it mostly shows where the speaker has quietly placed themselves.
Āfāt al-lisān: The damage a tongue does
Al-Ghazali gave a long book to the harms that come out of a mouth. A short dismissive word does more damage than a shove, because it tells someone what they are. The mouth is finished in a second, and the person on the other end keeps the wording for years.
Ukhuwwa: Brotherhood
Al-Ghazali wrote a whole book on what people owe each other once they count as brothers. That closeness is exactly why the anger burns hot: strangers rarely get under our skin, and the people near us always can. Remembering the tie brings the fight back to its size, because the person across from you is one of your own.