Hawzah News Agency – The commander of the faithful, Imam Ali peace be upon him says:
إذَا مُلِئَ البَطْنُ مِنَ المُبَاحِ عَمِيَ القَلْبُ عَنِ الصَّلَاحِ.
'When the stomach is filled with [even] permissible food, the heart becomes blind to goodness.'
Source: Ghurar al-Hikam, no. 4139