Hazrat Abdullah bin Amr (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) said: There are four traits; whoever possesses all of them is a pure hypocrite, and whoever has one of them has a trait of hypocrisy until he gives it up. They are: when he speaks, he lies; when he makes a promise, he breaks it; when he makes a pact, he betrays it; and when he quarrels, he resorts to foul language.