I spent two weeks last winter inside a courtyard school near the old center of Riyadh, watching a calligrapher measure letters with the same patience a mason gives to stone joints. The lines were not decoration; they were the order of the room.
Proportion is not ornament
Thuluth asks for space before it asks for flourish. Each curve opens into the next stroke, and every pause carries the weight of the one that follows. The finished inscription felt less like a headline than a civic promise drafted to outlast the hand that made it.