Maʿrifa: Knowing God firsthand
Maʿrifa is the knowledge a person arrives at on their own. A faith inherited from a parent comes finished, every answer already worded, and someone can carry it for years without testing a single part. Al-Ghazali left a famous teaching post over exactly this gap: he could explain God accurately and had never met him.
Ikhlāṣ: Sincerity
Ikhlāṣ means serving with one motive and no second one hiding behind it. Duty performed where others can see it collects extra reasons fast: looking devout, holding a reputation, pleasing the person who trained you. Al-Ghazali treated sincerity as steady work, catching the spare motives as they show up and setting them down until one aim is left.
If I serve you for fear of hell, burn me in hell: worship with no bargain in it
Rabia of Basra prayed this, and the tradition has repeated it ever since. Fear and reward are honest starting points, and they carry people through the early years, though service built only on them stays a transaction. When the fear quiets for a moment, a person finds out whether anything else is underneath, and that remainder is the willing part.
Murāqaba: Living aware that God is watching
Murāqaba is going through an ordinary day with that awareness kept close. Being fully known can land as dread, especially for anyone whose private thinking does not match their public conduct. The awareness changes when it stops feeling like surveillance and starts feeling like company, which is the difference between hiding from someone and living with them.
Khawāṭir: The thoughts that cross the heart uninvited
Khawāṭir are the thoughts that show up on their own, unasked. Many people judge themselves by these arrivals and conclude they are frauds, since ugly thoughts appear during prayer as readily as anywhere else. Al-Ghazali sorted them by where they come from and held that a person answers for what they do with one, not for its arrival.
Come to God walking and he comes to you running: the smallest move gets met
The Prophet reported these words from God, and Sufis have repeated them ever since. Seeking can feel hopeless at the start, because the distance looks enormous and one's own effort looks small. Under this saying, the size of the step matters far less than the fact that someone took it, and the meeting comes from the other side.