Classical Sufi psychology of the spiritual path organizes progress into two distinct categories, maqamat, stations, and ahwal, states, a distinction laid out systematically in early manuals such as al-Qushayri's Epistle and al-Sarraj's Kitab al-Luma. A maqam is a stable stage of spiritual attainment reached through the seeker's own sustained effort and discipline, such as repentance, patience, gratitude or trust in God, and once genuinely reached it is understood to remain a permanent part of the seeker's character rather than something that comes and goes. A hal, by contrast, is a transient spiritual state, a flash of intimacy, fear, joy or contraction that descends on the seeker as an unearned gift from God rather than being produced by effort, and which typically passes as suddenly as it arrived.
Different authors order and enumerate the stations somewhat differently, but the effort versus gift distinction between maqamat and ahwal is treated as foundational across nearly the whole of the classical Sufi psychological tradition, giving structure to what could otherwise read as an unpredictable sequence of inner experience. Al-Qushayri's Epistle, still read as a foundational manual across Sufi orders today, devotes extended individual chapters to each station in turn, defining its conditions and distinguishing it carefully from neighboring stages on the path.