The dark and the light are braided and bound. – Marc Ian Barasch

In our nature, however, there is a provision, alike marvelous and merciful, that the sufferer should never know the intensity of what he endures by its present torture, but chiefly by the pang that rankles after it. – Nathaniel Hawthorne, The Scarlet Letter

There is no education like adversity. – Disraeli