"Life is often sorrow, but a kind of sorrow that can be entirely avoided. The man who lives the ordinary life of the world often finds himself in trouble of various kinds. It would not be true to say that he is always in sorrow, but he is often in anxiety, and he is always liable at any moment to fall into great sorrow or anxiety. The reason for this is that he is full of lower desires of various kinds, not at all necessarily wicked, but desires for lower things; and because of these desires he is tied down and confined. He is constantly striving to attain something which he has not, and he is full of anxiety as to whether he will attain it; and when he has attained it, he is anxious lest he should lose it....How often, for example, a young man desires affection from someone who cannot give it to him, who has it not to give! From such a desire as that comes often a great deal of sadness, jealousy and much other ill-feeling. You will say that such a desire is natural; undoubtedly it is, and affection which is returned is a great source of happiness. Yet if it cannot be returned, a man should have the strength to accept the situation, and not allow sorrow to be caused by the unsatisfied desire."