Vanity prevents improvement

Lead such a life, that, when you die, the people may mourn you, and while you are alive they long for your company.

Patience is of two kinds: patience over what pains you, and patience against what you covet.

Courtesy costs nothing, but buys everything.

Greed is permanent slavery

Whoever desires Paradise, proceeds towards goodness; whoever fears Hell, refrains from the impulses of passions; whoever believes firmly in death, detests wordly life; and whoever recognises the worldly life, the trials and tribulations (of life) become slight for him.

Allah's Generosity is connected to gratitude, and gratitude is linked to increase in His generosity. The generosity of Allah will not stop increasing unless the gratitude of the servant ceases