Such an inquiry can only be based upon inference proceeding from analogy. Why, with so many concurrent circumstances to support the hypothesis, should we not regard Mars as an inhabited globe. But the secret lives of dorks 2013 differences between Mars and the earth are in many ways as striking as their resemblances. As the globe of Mars is evolutionally older than that of the earth, so its forms of organic life may be proportionally further advanced, and its inhabitants may have attained a degree of cultivated intelligence much superior to what at present exists upon the earth.