Polytheism

Beware of committing anything that warrants justification, for verily that is where hidden polytheism is.

رسولُ اللَّهِ صلى اللَّه عليه وآله :  إيّاكَ وما يُعتَذَرُ مِنهُ ، فإنَّ فيهِ الشِّركَ الخَفِيَّ . بحار الأنوار : 78 / 200 / 28 .

 The Prophet (SAWA) said, 'Beware of committing anything that warrants justification, for verily that is where hidden polytheism is.' Bihar al-Anwar, v. 78, p. 200, no. 28