/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: annigan1 https://public.slidesharecdn.com/v2/images/profile-picture.png "My purpose is to suggest a cure for the ordinary day to day unhappiness from which most people in civilized countries suffer, and which is all the more unbearable because, having no obvious external cause, it appears inescapable. Three passions, simple but overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind. These passions, like great winds, have blown me hither and thither, in a wayward course, over a great ocean of anguish, reaching to the very verge of despair..."