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

التَّواضُعُ أن تُعطِيَ النّاسَ ما تُحِبُّ أن تُعطاهُ.

'Humbleness is to give to people what you yourself like to be given.'

Source: al-Kafi, v. 2, p. 123, no. 13