Jihaad translates loosely to “strive or struggle,” a struggle Islamic thought treats as both external and internal.
Jihaad al-nafs is the internal application: the deliberate, ongoing effort to challenge the ego’s dominance and the individualist thinking that follows from letting the nafs run unchecked. Left to itself, an unrestrained qalb (the ego-like faculty managing desire) produces the pattern this vault elsewhere calls financial neurosis: material dependence, indulgence in worldly desire, and hyper-consumption dressed up as personal freedom.
This is the struggle, not the outcome it aims at. Tazkiyat al-nafs (purification of the self) is the resulting harmony, where the qalb and rooh work together toward divine enlightenment rather than against each other. Conflating the two loses something real: jihaad al-nafs names the ongoing effort and resistance, tazkiyah names the cleansing state that effort is meant to produce. One is the fight; the other is what winning it looks like.
Source: grounded in this vault’s own research thesis (The Research Thesis/04-islamic-perspective.md), citing Zepp, I. G. (2000). A Muslim Primer: Beginner’s Guide to Islam*, 2nd ed. University of Arkansas Press, pp. 95-98.*