Robert A. Heinlein Quotes
Abstract knowledge is always useful, sooner or later.
Heinlein, Robert A. Time Enough for Love. G. P. Putnam's Sons, 1973.
The Russian Jews in the Pale of Russia were constantly persecuted, robbed, and often physically attacked with many killed by the Cossacks. The Pale was an area of Russia that at the time, Jews had to stay within and could not move to other parts of Russia.
Robert Anson Heinlein was an American science fiction author, aeronautical engineer, and naval officer. Sometimes called the "dean of science fiction writers", he was among the first to emphasize scientific accuracy in his fiction, and was thus a pioneer of the subgenre of hard science fiction. His published works, both fiction and non-fiction, express admiration for competence and emphasize the value of critical thinking. His work continues to have an influence on the science-fiction genre, and on modern culture more generally.