To think with fear of the end of one's life is pretty general with human beings.  It is one of the means nature uses to conserve the life of the species.  Approached rationally that fear is the most unjustified of all fears, for there is no risk of any accidents to one who is dead or not yet born.  In short, the fear is stupid but it cannot be helped.

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "To think with fear of the end of one's life is pretty general with human beings.  It is one of the means nature uses to conserve the life of the species.  Approached rationally that fear is the most unjustified of all fears, for there is no risk of any accidents to one who is dead or not yet born.  In short, the fear is stupid but it cannot be helped." in the context of "Albert Einstein, Letter to Eileen Danniheisser (1953), quoted in Albert Einstein: Creator and Rebel by Banesh Hoffman (1973), p. 261.  The exact date, or the name of his correspondent, is not given in the snippet of the book available online, but the quote appears after the letter to the Queen of Belgium from 12 January 1953, and is prefaced by "Nine months later, in words that recall the beliefs of an early atomic speculator, the Roman poet Lucretius, Einstein had written to an inquirer", followed by the quote.  The name "Eileen Danniheisser" is given in Time: Volume 144, where it is mentioned in the snippets here and here that she had written Einstein "about her obsessive thoughts of death as a child"." to mean that wisdom is timeless.