U sebelisa temana e fanoeng, qotsa litlhaloso tse ngata tsa lipale tsa lipale tsa mahlale
Context:Sengoli le mohlophisi oa lipale tsa lipale tsa mahlale oa Amerika Lester del Rey o ngotse, "Esita le motho ea inehetseng kapa fan<unk> o thatafalloa ke ho leka ho hlalosa hore na lipale tsa mahlale ke eng", mme ho haella ha "tlhaloso e khotsofatsang ka botlalo" ke hobane "ha ho na meeli e hlalositsoeng habonolo ea lipale tsa mahlale". Ho ea ka Isaac Asimov, "Science fiction e ka hlalosoa e le lekala leo la lingoliloeng le sebetsanang le karabelo ea batho liphetohong tsa saense le theknoloji". Robert A. Heinlein o ngotse hore "Tlhaloso e khutšoanyane e sebetsang ea hoo e ka bang lipale tsohle tse iqapetsoeng tsa saense e ka 'na ea ba: likhopolo-taba tsa sebele mabapi le liketsahalo tse ka 'nang tsa etsahala nakong e tlang, tse thehiloeng ka tieo tsebong e lekaneng ea lefatše la sebele, la nakong e fetileng le la hona joale, le kutloisisong e feletseng ea tlhaho le bohlokoa ba mokhoa oa saense".  Lebaka le leng le etsang hore ho be thata hakaalo ho fumana tlhaloso e lumellanang ea lipale tsa bolotsana tsa saense ke hobane ho na le tšekamelo har'a batho ba chesehelang lipale tsa bolotsana tsa saense ea ho iketsetsa qeto ea hore na ke eng e hlileng e bōpang lipale tsa bolotsana tsa saense. Damon Knight o ile a akaretsa bothata boo ka ho re "lipale tse iqapetsoeng tsa saense ke seo re se supang ha re li bua". David Seed o re ho ka ba molemo ho bua ka lipale tse iqapetsoeng tsa saense e le khokahano ea mefuta e meng, e tobileng haholoanyane, le mefuta e menyenyane.
Ho latela Lester del Rey, "Ho ka hlalosoa hore lipale tse iqapetsoeng tsa saense ke lekala la lingoliloeng le sebetsanang le karabelo ea batho liphetohong tsa saense le theknoloji". Ho latela Robert A. Heinlein, "Tlhaloso e khutšoanyane e sebetsang ea hoo e batlang e le lipale tsohle tse iqapetsoeng tsa saense e ka 'na ea ba: likhopolo-taba tsa sebele mabapi le liketsahalo tse ka 'nang tsa etsahala nakong e tlang, tse thehiloeng ka tieo tsebong e lekaneng ea lefatše la sebele, la nakong e fetileng le la hona joale, le kutloisisong e feletseng ea tlhaho le bohlokoa ba mokhoa oa saense".