To mess around with Ebola is an easy way to die. Better to work with something safer, such as anthrax.

The Ludolphian number is fixed in eternity— not a digit out of place, all characters in their proper order, an endless sentence written to the end of the world by the division of the circle’s diameter into its circumference.

Time has a different quality in a forest, a different kind of flow. Time moves in circles, and events are linked, even if it's not obvious that they are linked. Events in a forest occur with precision in the flow of tree time, like the motions of an endless dance. (p. 12)

The earth is attempting to rid itself of an infection by human parasite.

During climbs into taller trees, I was occasionally able to look down on the backs of birds, which shine with reflected sunlight as they move through the green depths of the canopy, like schools of fish.

The best way to know what's in the soup, is to boil yourself in it.

What can the redwoods tell us about ourselves? Well, I think they can tell us something about human time. The flickering, transitory quality of human time and the brevity of human life - the necessity to love.