"'I'm afraid I'm a practical man,' said the doctor with gruff humour, 'and I don't bother much about religion and philosophy.' 'You'll never be a practical man till you do,' said Father Brown. 'Look here, doctor; you know me pretty well; I think you know I'm not a bigot. You know I know there are all sorts in all religions; good men in bad ones and bad men in good ones."