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

لا خَيرَ لكَ في صُحبَةِ مَن لا يَرى‏ لكَ مِثلَ الذي يَرى‏ لِنَفسِهِ.

 ‘It is not good for you to befriend someone who does not have your best interests at heart as he does his own.’

Source: al-Durra al-Bahira, p. 19