“Everyone that you'll ever met wil know someone that you won't”

“History is but the record of the public and official acts of human beings. It is our object, therefore, to humanize our history and deal with people past and present; people who ate and possibly dr...”

“Every question leads to new answers, new discoveries, and new smarter questions.”

“The(re is no) End”

“...I suspect everyone there can reason along the lines I described...It's just that when it comes to evolution, and especially to the related realization that we are all pretty small bits of the un...”

“People love dogs. This is, I hope, the least surprising sentence you will read in this book. I myself have had long discussions with my dog friends, and by that I mean my friends who are dogs.”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”