The best way to overcome it (= the fear of death) - so at least it seems to me - is to make your interests gradually wider and more impersonal, until bit by bit the walls of the ego recede, and your life becomes increasingly merged in the universal life..
Source: Bertrand Russell: How to grow old, 1951
More info.:http://russell-j.com/beginner/0958HTGO-040.HTM