Earth Quote by Paul Davies

The majority of life on Earth is microbial

— Caleb Scharf

The vast majority of terrestrial species are in fact microbes, and scientists have only begun scratching the surface of the microbial realm. It is…

— Paul Davies

Scientists have theorized that when Earth comes to its final days, the only life left on the planet would be in the form of…

— Brad Steiger

The incredible diversity oflife on this planet, most of which is microbial, can only beunderstood in an evolutionary framework

— Carl Woese

If few worlds have microbial life, it dramatically reduces the chances that more complex organisms exist.

— Debra Fischer

If there is life, then I believe we should do nothing to disturb that life. Mars then, belongs to the Martians, even if they…

— Carl Sagan

We know that within the solar system is very unlikely there will be anything more advanced than microbial life, but if we think outside…

— Paul Davies

Life on earth is such a good story you cannot afford to miss the beginning... Beneath our superficial differences we are all of us…

— Lynn Margulis

I believe alien life is quite common in the universe, although intelligent life is less so. Some say it has yet to appear on…

— Stephen Hawking

Humans in the developed world spend more than 90 percent of their lives indoors, where they breathe in and come into contact with trillions…

— Jessica Green

For the first half of geological time our ancestors were bacteria. Most creatures still are bacteria, and each one of our trillions of cells…

— Richard Dawkins

Living organisms are created by chemistry. We are huge packages of chemicals.

— David Christian