““A man should therefore pay regard to the place, to the time, and to the practice which is to be carried out, as also as to whether it is agreeable to his nature and to himself, and then he may or may not practise these things according to circumstances. But after all, these things being done secretly, and the mind of the man being fickle, how can it be known what any person will do at any particular time and for any particular purpose.””