Compassion suits our physical condition, whereas anger, fear and distrust are harmful to our well-being. Therefore, just as we learn the importance of physical hygiene to physical health, to ensure healthy minds, we need to learn some kind of emotional hygiene.
It was modesty that invented the word "philosopher" in Greece and left the magnificent overweening presumption in calling oneselfwise to the actors of the spirit--the modesty of such monsters of pride and sovereignty as Pythagoras, as Plato.
Property should be in a general sense common, but as a general rule private... In well-ordered states, although every man has his own property, some things he will place at the disposal of his friends, while of others he shares the use of them.
I complained to Waki' about the weakness of my memorisation,
So he instructed me to abandon disobedience;
He informed me that knowledge is a light,
And the light of Allah is not given to a sinner.