There is no doubt in my mind that many a boy is started on a career of “laziness,” incapacity and unhealth from the constant intake of poisonous matter always to be found up in the gods’ gallery. Foul and hot air exhaled from the lungs always rises upward, so a boy sitting in the gallery really has his lungs over a vast pit which sends up rank poisons for him to take into his system. Indirectly this leads to drink, for with a headache, a feeling of weakness and sometimes a dizziness he, at first, takes a little beer. From this to ale and then liquor is the easy path. What can we expect from the brain of such a youth? Nothing――that is, nothing good. So at the start of a useless boy and ofttimes criminal, we see it was not vicious tendencies nor criminal instincts, but vicious air which brought about a poisoned brain and this results in a wrong view of things, so the youth takes to anything but real work. What the hookworm is to the unfortunate troubled by this parasite, the air in the top of the cheap theaters is to the boy and youth. It is worse than the hookworm, for along with the foul air he takes into his system go the fouler suggestions of the stage. Every evil suggestion, spoken or acted, works great harm to your brain-tools. I do not intend to say anything to you about the moral side of evil――that is the Sunday School side――and I want you to get this fact well in your minds. I am trying to tell you what are the many causes for not getting along, as well as about those conditions of brain that will put you toward success. To do so I have to warn you about evil suggestions and companions. The moral side of your life will be taken care of if you avoid all those conditions which go to make a weak brain and body. If the girls who frequent the PUBLIC dance halls were your equals, if they were fit to be your future wives, I should have no objections to your going there――provided the ventilation was of the best. But you all know in your hearts that you would not want your sister to go to these PUBLIC dance halls, and that a mother who brought up her daughters in the right way would not allow them to frequent such places and associate with strange men and youths. There are a large number of girls who frequent these places unknown to their mothers, others lie to their mothers about these matters. Now, you can put this down as a fact, a girl who will lie to her mother and disobey her will do the same to you if she becomes your wife. You know all this, I dare say, but I want it deeply stamped upon your mind by one who has had a large experience with these kinds of girls and women. They are not wholly to blame, but we will not go into this subject here. Now if this is the solid truth, do you not see that in these associations you are bound to see and hear things which fill your mind with thoughts and ideas which do not help your mental growth; more, they injure it. It is the same fact over again――the brain is a sensitive photographic film.