“Iron rusts from disuse; stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigor of the mind.”

“Just as iron rusts unless it is used, and water putrifies or, in cold, turns to ice, so our intellect spoils unless it is kept in use.”

“As iron cast into fire loses its rust and becomes glowing white, so he who turns completely to God is stripped of his sluggishness and changed into a new man.”

“As iron is eaten away by rust, so the envious are consumed by their own passion.”

“When the weather is hot, keep a cool mind. When the weather is cold, keep a warm heart.”

“These hearts rust just as iron rusts; and indeed they are polished through the recitation of the Qur’an.”

“Lies are rust on iron. A blemish on power.”

“For the man sound in body and serene of mind there is no such thing as bad weather; every sky has its beauty, and storms which whip the blood do but make it pulse more vigorously.”

“Vice does not lose its character by becoming fashionable.”

“If gold rusts, what then can iron do?”