Hawzah News Agency – Imam al-Askari peace be upon him says:

مَن لَم يَتَّقِ وُجوهَ النّاسِ لَم يَتَّقِ اللَّهَ.

'He who is not wary before people does not have wariness of Allah.'

Source: Bihar al-Anwar, v. 78, p. 377, no. 3