Think of the earth as a living organism that is being attacked by billions of bacteria whose numbers double every forty years. Either the host dies, or the virus dies, or both die. Gore Vidal
I do not fear death. I had been dead for billions and billions of years before I was born, and had not suffered the slightest inconvenience from it. Mark Twain
Cyberspace. A consensual hallucination experienced daily by billions of legitimate operators, in every nation, by children being taught mathematical concepts. William Gibson
The study of mathematics is apt to commence in disappointment.... We are told that by its aid the stars are weighed and the billions of molecules in a drop of water are counted. Yet, like the ghost of Hamlet's father, this greatest science eludes the efforts of our mental weapons to grasp it. Alfred North Whitehead
How is it they live in such harmony the billions of stars - when most men can barely go a minute without declaring war in their minds about someone they know. Thomas Aquinas
There once was a brainy baboon, Who always breathed down a bassoon, For he said, It appears That in billions of years I shall certainly hit on a tune. Arthur Eddington