Sayyiduna Abu Huraira (may Allah be pleased with him) narrates that the Prophet Muhammad (peace and blessings be upon him) said: "A share of adultery has been decreed for every human being. The adultery of the eye is looking, the adultery of the ear is listening, the adultery of the hand is touching, the adultery of the feet is walking (towards it), the adultery of the tongue is speaking, and the heart desires and wishes, and the private parts either confirm or deny it."