About Quote by Alan Alda

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

“Homo erectus, ‘Upright Man’, who survived there for close to 2 million years, making it the most durable human species ever. This record is…

— Yuval Noah Harari

Every creature alive on the earth today represents an unbroken line of life that stretches back to the first primitive organism to appear on…

— George Wald

“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

“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

Dr. S. Dillon Ripley, secretary of the Smithsonian Institute, believes that in 25 years, somewhere between 75 and 80 percent of all the species…

— Gaylord Nelson

“thousand years ago the average life expectancy of mankind was only twenty-five years. It took another nine hundred years to extend that to thirty-seven.…

— James Rollins

“An evolutionary perspective of our place in the history of the earth reminds us that Homo sapiens sapiens has occupied the planet for the…

— Richard E. Leakey

For millions of years, on average, one species became extinct every century.... We are now heaving more than a thousand different species of animals…

— Douglas Adams

“The average human lifespan compared to the age of the universe is the same as comparing a blink of an eye to that human…

— John K. Brown

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

— Masayoshi Son

Altogether, the task of estimating the length of human life is beyond our capacity, for directly we say that it is ages long, we…

— Virginia Woolf