Hawzah News Agency – The merciful prophet of Islam (pbuh) says:

إنّ الشَّقِيَّ مَن حُرِمَ غُفرانَ اللَّهِ في هذا الشَّهرِ العَظيمِ.

'Verily the most unfortunate is he who is deprived of Allah's forgiveness in this great month.'

Source: Uyun Akhbar al-Rida (AS), v. 1, p. 295, no. 53