Therefore, a subject concerning which everyone should have a practical knowledge is strange and inexplicable that so little is said from the pulpit and so little is written on the theme. And yet such is the case. There are thousands of young converts and older ones too, that seriously need help on this feature in their lives and will gladly read or listen to any word given on this topic. There are three fundamental reasons why the subject should be carefully studied and the lessons taught by it consciously observed