Life On Earth Quotes (19 quotes)
“Life on Earth” [a 12-part TV series on evolution] was easier than “The Living Planet” because you have 2,000 years of narrative thrust built in. … You begin, say, with a giant jellyfish, then a fish with lungs which then became a frog. And all you have to do is say, “If you want to know what happens next, tune in next week.”
Comparing two of his famed BBC TV natural history series, in Justine de Lacy, 'Around the World With Attenborough', New York Times (27 Jan 1985), Sec. 2, 25.
A complete survey of life on Earth may appear to be a daunting task. But compared with what has been dared and achieved in high-energy physics, molecular genetics, and other branches of “big science,” it is in the second or third rank.
In 'Edward O. Wilson: The Biological Diversity Crisis: A Challenge to Science', Issues in Science and Technology (Fall 1985), 2, No. 1, 26.
About two million years ago, man appeared. He has become the dominant species on the earth. All other living things, animal and plant, live by his sufferance. He is the custodian of life on earth, and in the solar system. It’s a big responsibility.
From speech given at an anti-war teach-in at the Massachusetts Institute of Technology, (4 Mar 1969) 'A Generation in Search of a Future', as edited by Ron Dorfman for Chicago Journalism Review, (May 1969).
Aggression has had definite advantages for survival, but when modern technology meets ancient aggression the entire human race and much of the rest of life on Earth is at risk. … It is not clear that, unlike aggression, intelligence has any long-term survival value.
In 'A Step Backward For Civilization', The Washington Post (16 Feb 2014), Sec. A, 21.
Bringing nature into the classroom can kindle a fascination and passion for the diversity of life on earth and can motivate a sense of responsibility to safeguard it.
As quoted, without source, in Kate Ng, 'David Attenborough turns 95: His best quotes on nature, sustainability and humankind', Independent (8 May 2021).
Contrary to popular parlance, Darwin didn't discover evolution. He uncovered one (most would say the) essential mechanism by which it operates: natural selection. Even then, his brainstorm was incomplete until the Modern Synthesis of the early/mid-20th century when (among other things) the complementary role of genetic heredity was fully realized. Thousands upon thousands of studies have followed, providing millions of data points that support this understanding of how life on Earth has come to be as it is.
In online article, 'The Day That Botany Took on Bobby Jindal by Just Being Itself', Huffington Post (5 Aug 2013).
Despite the high long-term probability of extinction, every organism alive today, including every person reading this paper, is a link in an unbroken chain of parent-offspring relationships that extends back unbroken to the beginning of life on earth. Every living organism is a part of an enormously long success story—each of its direct ancestors has been sufficiently well adapted to its physical and biological environments to allow it to mature and reproduce successfully. Viewed thus, adaptation is not a trivial facet of natural history, but a biological attribute so central as to be inseparable from life itself.
In 'Integrative Biology: An Organismic Biologist’s Point of View', Integrative and Comparative Biology (2005), 45, 330.
I am among the most durable and passionate participants in the scientific exploration of the solar system, and I am a long-time advocate of the application of space technology to civil and military purposes of direct benefit to life on Earth and to our national security.
In 'Is Human Spaceflight Obsolete?' Quoted in Issues in Science and Technology (Summer 2004).
I am not insensible to natural beauty, but my emotional joys center on the improbable yet sometimes wondrous works of that tiny and accidental evolutionary twig called Homo sapiens. And I find, among these works, nothing more noble than the history of our struggle to understand nature—a majestic entity of such vast spatial and temporal scope that she cannot care much for a little mammalian afterthought with a curious evolutionary invention, even if that invention has, for the first time in so me four billion years of life on earth, produced recursion as a creature reflects back upon its own production and evolution. Thus, I love nature primarily for the puzzles and intellectual delights that she offers to the first organ capable of such curious contemplation.
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It’s surely our responsibility to do everything within our power to create a planet that provides a home not just for us, but for all life on Earth.
Closing words of BBC TV Series, Planet Earth II (2016).
Nothing will benefit human health and increase chances for survival of life on Earth as much as the evolution to a vegetarian diet.
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The contributions of physiological knowledge to an understanding of distribution are necessarily inferential. Distribution is a historical phenomenon, and the data ordinarily obtained by students of physiology are essentially instantaneous. However, every organism has a line of ancestors which extends back to the beginning of life on earth and which, during this immensity of time, has invariably been able to avoid, to adapt to, or to compensate for environmental changes.
From 'The role of physiology in the distribution of terrestrial vertebrates', collected in C.L. Hubbs (ed.), Zoogeography: Publ. 51 (1958), 84.
The entire range of living matter on Earth from whales to viruses and from oaks to algae could be regarded as constituting a single living entity capable of maintaining the Earth’s atmosphere to suit its overall needs and endowed with faculties and powers far beyond those of its constituent parts.
In Gaia: A New Look at Life on Earth (1979), 9.
The vernal equinox is a moment of cosmic harmony, where the forces of gravity and motion align to create the delicate equilibrium that sustains life on Earth. It’s a reminder of the interconnectedness of all things in the universe.
A fictional quote imagined in the style of a theoretical physicist (19 Mar 2024).
The vernal equinox serves as a celestial signpost, marking the beginning of a new astronomical season and heralding the renewal of life on Earth. It’s a reminder of the interconnectedness of all living beings and our shared dependence on the rhythms of nature.
A fictional quote imagined in the style of an astronomer at the SETI institute (19 Mar 2024).
The vernal equinox serves as a reminder of the interconnectedness of all life on Earth. As the Northern and Southern Hemispheres experience equal lengths of day and night, it underscores the universal rhythms that govern our planet’s ecosystems.
A fictional quote imagined in the style of a primatologist and conservationist (19 Mar 2024).
We are at a unique stage in our history. Never before have we had such an awareness of what we are doing to the planet, and never before have we had the power to do something about that. Surely we all have a responsibility to care for our blue planet. The future of humanity and indeed, all life on earth, now depends on us.
As quoted, without source, in Kate Ng, 'David Attenborough turns 95: His best quotes on nature, sustainability and humankind', Independent (8 May 2021).
We are the generation that searched on Mars for evidence of life, but couldn’t rouse enough moral sense to stop the destruction of even the grandest manifestations of life on earth. In that sense, we are like the Romans whose works of an, architecture, and engineering inspire our awe but whose traffic in slaves and gladiatorial combat is mystifying and loathsome.
[Co-author with Anna Sequoia.]
[Co-author with Anna Sequoia.]
67 Ways to Save the Animals
We are the intelligent elite among animal life on earth and whatever our mistakes, [Earth] needs us. This may seem an odd statement after … the way 20th century humans became almost a planetary disease organism. But it has taken [Earth] 2.5 billion years to evolve an animal that can think and communicate its thoughts. If we become extinct she has little chance of evolving another.
In The Vanishing Face of Gaia: A Final Warning (2010), 28.
In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
(1987) -- 
