Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Just as it was natural ’to so great a mind to be occasionally beset by the infirmities which afflict us all, such as that of attributing our misfortunes to imaginary causes, so it was also natural to him to engage in service of his argument a strength of reasoning and depth of feeling which, in a condition of such strenuous exercise, were sure to produce a’ dissertation far too rich in subjects for reflection to be allowed to remain associated in our minds with a mere quarrel.