Hawzah News Agency – The commander of the faithful, Imam Ali peace be upon him says:

إنّ بِشرَ المؤمنِ في وَجهِهِ، وقُوّتَهُ في دِينِهِ، وحُزنَهُ في قَلبِهِ.

'The cheerfulness of the believer is on his face, his strength is in his religion, and his sorrow lies in his heart.'

source: Ghurar al-Hikam, no. 3454