In a home of which I know, a little boy, the only son, was ill with an incurable disease. Month after month the mother had tenderly nursed him, read to him, and played with him, hoping to keep him from the dreadful finality of the doctor's diagnosis—the little boy was sure to die. But as the weeks went on, he gradually began to understand that he would never be like the other boys he saw playing outside his window. Small as he was, he began to understand the meaning of the term death, and he too knew he was to die.

One day his mother had been reading to him the stirring tale of King Arthur and his knights of the Round Table, of Lancelot and Elaine the lily maid of Astelot, and about that last glorious battle where so many fair knights met their death.

She closed the book as her little so…