Always consider your intellect to be lacking; otherwise too much faith in it surely leads to error.
Ali ibn Abi TalibA 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 TalibBe afraid of a dignified man when he is hungry and a wicked man when his belly is full.
Ali ibn Abi Talib