[25 - The Criterion:32] And those who disbelieve say: Why has not the Quran been revealed to him all at once? Thus, that We may strengthen your heart by it and We have arranged it well in arranging.
[25 - El Criterio (Al forcán):32] Los infieles dicen: «¿Por qué no se le ha revelado el Corán de una vez?» Para, así, confirmar con él tu corazón.