1. It is necessary for me to repeat the preface of this work, as often as I divide it into separate volumes, by making a pause in my observations, it order that when it is again begun to be read, the subject of the Treatise may be at once brought afresh to the memory; and that the edifice of teaching may rise the more firmly, the more carefully the foundation is laid in the mind, from considering the first beginning of the subject. Blessed Job, known to God and himself alone in his state of tranquillity, when he was to be brought before our notice, was smitten with a rod, in order that he might scatter more widely the odour of his strength, the more sweetly he gave forth his scent, as spices, from the burning. He had learned in his prosperity to rule over his subjects with gentleness, and to guard himself strictly from evil. He had learned how to use the things he had got: but we could not tell whether he would remain patient under their loss. He had learned to offer daily sacrifices t...