Abu Hurairah (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: "In the last era, there will appear some people who will seek the world in exchange for religion. They will wear sheep's skins to please the people, their tongues (i.e., speech) will be sweeter than sugar, and their hearts will be like the hearts of wolves. Allah says: They are deceived (thinking that I am giving them respite) or they dare against Me. I swear by Myself that I will send upon such people a trial from among themselves that will leave even their gentle and forbearing ones bewildered." Its chain is weak, narrated by al-Tirmidhi.