In consequence of this opinion, it was the first but arduous duty of a Christian to preserve himself pure and undefiled by the practice of idolatry. The religion of the nations was not merely a speculative doctrine professed in the schools or preached in the temples. The innumerable deities and rites of polytheism were closely interwoven with every circumstance of business or pleasure, of public or of private life, and it seemed impossible to escape the observance of them, without, at the same time, renouncing the commerce of mankind, and all the offices and amusements of society. 40 The important transactions of peace and war were prepared or concluded by solemn sacrifices, in which the magistrate, the senator, and the soldier, were obliged to preside or to participate. 41 The public spectacles were an essential