إنَّ قَلباً لَيسَ فيهِ شَي‏ءٌ مِنَ العِلمِ كالبَيتِ الخَرابِ الَّذي لا عامِرَ لَهُ.

Verily a heart that does not have any knowledge is like a ruined house that has no inhabitants.

Amali al-Tusi, p. 543, no. 1165