by Edward Elmer Smith and Edward Everett Evans, Masters of Space — Chapter XI (1962)
“ Gordon demanded.“You'll never know,” Hilton answered, quietly. “Things no Terran ever will know. We hope. Things that would drive any Terran stark mad. Some of them are hinted at—as much as we dared—between the lines of the report.”The report had not mentioned the Stretts. Nor were they to be mentioned now. If the Ardans could stop them, no Terran need ever know anything about them.If not, no Terran should know anything about them except what he would learn for himself just before the end. For Terra would never be able to do anything to defend herself against the Stretts. ”
