It was narrated that Abdullah bin Amr said: "It was said to the Messenger of Allah ﷺ which of the people is best? He said: Everyone who is pure of heart and sincere of speech. They if said: Sincere of speech, we know what this is, but what is pure of heart? He said: It is (the heart) that is pious and pure, with no sin,injustice, rancor or envy in it. (Sahih)