Harden Quotes
The sun which warms the plant can under other conditions also wither it. The rain which nourishes the flower can under other conditions rot it. The same sun shines upon mud that shines upon wax. It hardens the mud but softens the wax. The difference is not in the sun, but in that upon which it shines. The Divine Life which shines upon a soul that loves Him, softens it into everlasting life; that same Divine Life which shines upon the slothful soul, neglectful of God, hardens it into...
Fulton J. Sheen
Celibacy,fasting, penance, mortification, self-denial, humility, silence, solitude and the whole train of monkish virtues...Stupify the understanding and harden the heart, obscure the fancy and sour the temper...A gloomy hair-brained enthusiast, after his death, may have a place in the calendar, but will scarcely ever be admitted, when alive, into intimacy and society, except by those who are as delerious and dismal as himself.
David Hume