There are some chagrins of the heart which a friend ought to try to console without betraying a knowledge of their existence, as there are physical maladies which a physician ought to seek to heal without letting the sufferer know that he has discovered their extent.
A woman's head is always influenced by her heart, but a man's heart is always influenced by his head.
There is no knowledge for which so great a price is paid as a knowledge of the world; and no one ever became an adept in it except at the expense of a hardened or a wounded heart.