Besides, there are many who feel urged and obliged to say or do something because it is asked of them, and in this way they get weaker and weaker. There are others who roughly fight against it; and in this way both are in error. He who is able to keep his equilibrium without being annoyed, without being troubled about it, gains that mastery which is needed in the evolution of life. No principle must be blindly followed. Spiritual economy is not always a virtue, if it disturbs harmony, if it in any way keeps one from progress, or if it places one in a worse condition. However, it is most necessary to know the science of spiritual economy; how to guard against all influences in our everyday life which come to disturb our tranquillity and the peace of our soul.