Not every man with a heart is understanding, nor every man with an ear a listener, and nor every man with eyes able to see.
Ali ibn Abi TalibThere is no rest for the person who has envy, and there is no love for the person who has bad manners.
Ali ibn Abi TalibA man's behavior is the index of the man, and his discourse is the index of his understanding.
Ali ibn Abi Talib