English
Français (French)
Español (Spanish)
Português (Portuguese)
Italian (Italiano)
Svenska (Swedish)
Deutsch (German)
Bahasa Indonesia (Indonesian)
हिंदी (Hindi)
Pусский (Russian)
Dansk (Danish)
বাংলা (Bengali)
Nederlands (Dutch)
Eestlane (Estonian)
ελληνικά (Greek)
čeština (Czech)
Polish (Polski)
Hrvatski (Croatian)
Română (Romanian)
Magyar (Hungarian)
한국어, 조선어 (Korean)
Türkçe (Turkish)
中文 (Chinese)
Suomi (Finnish)
српски језик (Serbian)
Українська мова (Ukrainian)
norsk språk (Norwegian)
српски језик (Hebrew)
schweizerdeutsche sprache (Swiss-German)
नेपाली (Nepali)
ภาษาไทย (Siamese)
Lingua Latina (Latin)
ᱥᱟᱱᱛᱟᱞᱤ (Santali)
日本語 (Japanese)
talkstoplants's cotizaciones
Carl Sagan
A blade of grass is commonplace on Earth; it would be a miracle on Mars. Our descendants on Mars will know the value of a patch of green. And if a blade of grass is priceless, what is the value of a human being?