Hawzah News Agency – Ali b. Asbat said,

نَهَى‏ رسولُ اللَّهِ صلى اللَّه عليه وآله عنِ الأدبِ عندَ الغَضَبِ.

'The Prophet (SAWA) prohibited disciplining in times of anger.'

Source: Bihar al-Anwar, v. 79, p. 102, no. 2