Hawzah News Agency – The merciful prophet of Islam, peace be upon him and his household says:

عَوِّدُوا قُلوبَكُمُ الرِّقَّةَ، وأكثِرُوا مِن التَّفَكُّرِ والبُكاءِ مِن خَشيَةِ اللَّهِ.

'Accustom your hearts to being soft, and increase your contemplation and cry much due to fear of Allah.'

Source: Alam al-Din, p. 365, no. 33