لَمّا سُئلَ عَنِ المُروءَةِ- : لاتَفعَلُ شيئاً في السِّرِّ تَستَحيي مِنهُ في العَلانِيَةِ.

Imam Ali (PBUH), when asked about gallantry, said, '[It is to] Not do something secretly which you would be ashamed to do in public.

Tuhaf al-Uqul, p. 223