There have only been about a ...

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 into plants and animals, movement of animals from water to land, and the advent of mammals and consciousness.
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 into plants and animals, movement of animals from water to land, and the advent of mammals and consciousness.

Quotes from the same author

When something is important enough, you do it even if the odds are not in your favor.
My mentality is that of a samurai. I would rather commit seppuku than fail.
If you're trying to create a company, it's like baking a cake. You have to have all the ingredients in the right proportion.
“I think it is possible for ordinary people to choose to be extraordinary.”
“I don’t ever give up. I’d have to be dead or really incapacitated.”