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

مَن خالَفَت سَريرَتُهُ عَلانِيَتَهُ فهُو مُنافِقٌ كائناً مَن كانَ.

'He whose inner is contrary to his outer is a hypocrite, no matter who he may be.'

Source: Bihar al-Anwar, v. 72, p. 207, no. 8