“But perhaps a heart takes experience and time to harden.”
“The slave is not afflicted with a punishment greater than the hardening of the heart and being distant from Allah. For the Fire was created to melt the hardened heart. The most distant heart from Allah is the heart which is hardened. If the heart becomes hardened, the eye becomes dry.”
“Whitewash on the forehead hardens the brain into a state of obstinacy, perhaps.”
“Harden your heart.”
“It seemed that the years had softened her, or perhaps they'd hardened me”
“But responsibility hardens the heart. It must.”