Earth Quote by Brad Steiger

The majority of life on Earth is microbial

— Caleb Scharf

Most life on Earth is microbes. we've only just scratched the surface of the microbial realm. Probably less than .1% of microbes have been…

— Paul Davies

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

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

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

Here on Earth, we've found organisms that thrive in environmental conditions we would have once thought uninhabitable. The presence of these extremophiles suggests that…

— Nick Sagan

No live organism can continue for long to exist sanely under conditions of absolute reality.

— Shirley Jackson

When we get there, if we don't find any life on Mars, from that point on there will be life on Mars because we'll…

— Buzz Aldrin

Life comes from the earth and life returns to the earth.

— Zhuangzi

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

— Carl Woese

“If all insects on Earth disappeared, within 50 years all life on Earth would end. If all human beings disappeared from the Earth, within…

— Jonas Salk