Why, for example, should a group of simple, stable compounds of carbon, hydrogen, oxygen and nitrogen struggle for billions of years to organise themselves into a professor of chemistry? What's the motive? — Robert M. Pirsig Copy Share Image
“Living organisms are constructed, for the most part, from compounds of carbon and hydrogen. Carbon is critical because of its astonishing flexibility. Add hydrogen, nitrogen, oxygen, phosphorus, and sulfur and we can account for 99 percent of the dry weight… — David Christian Copy Share Image
