Source : Lynn Margulis, Dorion Sagan (1986). “Microcosmos: Four Billion Years of Evolution from Our Microbial Ancestors”, p.191, Univ of California Press
“The means prepare the end, and the end is what the means have made of it.”
“I can establish the expectation of retributive justice. Have we done that? No.”
Source : Sir Arthur Keith (1947). “Evolution and Ethics”