The problem with society is that fools and fanatics are too sure of themselves while the wise are plagued by self doubt.- Bertrand Russell
Russell was great! I disagree with probably 90% of his thinking, but it's brilliant nonetheless. An excellent read, and a challenging one, for followers of all religions is 'Why I am not a Christian'. I highly recommend too his 'History of Western Philosophy' for anyone who wants to get a serious but readable and witty overview of the subject in a single volume.