We to act on so selfish a principle, as that we shall decline to take an interest in an admittedly grand and good and national cause, until our eyes are forcibly opened by "our Willie" being in danger? Of course I address myself to people who have really kind and sympathetic hearts, but who, from one cause or another, have not yet had this subject earnestly submitted to their consideration. To those who have _no heart_ to consider the woes and necessities of suffering humanity, I have nothing whatever to say,--except,--God help them! Let me en