Helping Quote by Clarissa Dickson Wright

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

“I think maximum lifespan is about a hundred years. Compared to human history, a hundred years is quite short. So if we utilize that…

— Dalai Lama XIV, Desmond Tutu, Douglas Abrams

“No, my point is that life on earth can take of itself. In the thinking of a human being, a hundred years is a…

— Michael Crichton

“It’s important to keep in mind that when viewed against the full scale of our species’ existence, ten thousand years is but a brief…

— Christopher Ryan

By the 1990s, longevity will be so improved that 150 years will be no unusual age to reach.

— Thomas De Witt Talmage

I am afforded a bit of easy wonderment in relative comfort as to how humans have lasted so long. Climate- and geography-wise, the planet…

— Henry Rollins

Humans have lived for much, much longer than the approximately 10,000 years of settled agricultural civilization.

— Howard Rheingold

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

The planet earth has a life span of eight billion years, give or take a few million. People have been around for approximately forty…

— Charlotte Sophia Kasl

“If our 14 billion year cosmic history were scaled to 1 year, then 100,000 years of human history would be 4 minutes, and a…

— Max Tegmark

There will come an age when our average life expectancy will reach 200 years.

— Masayoshi Son

If you represent the Earth's lifetime by a single year, say from January when it was made to December, the 21st-century would be a…

— Martin Rees