Alive Quote by George Wald

Sometime in the first billion years, life appeared on the earth's surface. Slowly, the fossil record indicates, living organisms climbed the ladder from simple…

— Robert Jastrow

“Life, in short, just wants to be. But—and here’s an interesting point—for the most part it doesn’t want to be much. This is perhaps…

— Bill Bryson

If the age of the Earth were a calendar year and today were a breath before midnight on New Year's Eve, we showed up…

— Janine Benyus

I often reflect on what an extraordinary time (pun intended) it is to be alive here in the beginning of the twenty-first century. It…

— Bill Nye

“Spread your arms out to your sides, like a plane. Your wingspan is a timeline. Your left fingertip represents the time of the first…

— Dale McGowan

“Life has had to deal with environmental change, especially climate change, since the beginning of its existence on Earth. Species adjust or go extinct,…

— Daniel Botkin

It is astonishing to realise that the human species survived hundreds of thousands of years, more than 99 percent of its time on this…

— Leonard Hayflick

Consider: Life arose on Earth close to four billion years ago. Four billion years of slithering, swimming, and soaring life forms. But only in…

— Seth Shostak

“If you imagine the 4,500-bilion-odd years of Earth's history compressed into a normal earthly day, then life begins very early, about 4 A.M., with…

— Bill Bryson

Take the entire 4.5-billion-year history of the earth and scale it down to a single year, with January 1 being the origin of the…

— Neil Shubin

“If the Earth were as old as a person, a typical organism would be born, live and die in a sliver of a second.…

— Carl Sagan

There have only been about a half dozen genuinely important events in the four-billion-year saga of life on Earth: single-celled life, multicelled life, differentiation…

— Elon Musk