A person of riyaa (showing off) has three characteristics : He is lazy when alone, energetic when with others, and increases in his actions when he is praised while decreasing in them when he is criticized.
Ali ibn Abi TalibOh writer! An Angel watches over all you write. Make your writing meaningful for it will eventually return to you and you will be questioned about what you wrote.
Ali ibn Abi TalibWhen proven wrong, the wise man will correct himself and the ignorant will keep arguing.
Ali ibn Abi Talib