Human consciousness arose but a minute before midnight on the geological clock. Yet we mayflies try to bend an ancient world to our purposes, ignorant perhaps of the messages buried in its long history. Let us hope that we are still in the early morning of our April day. - Stephen Jay Gould
Civilization exists by geological consent, subject to change without notice. - Will Durant
four geological eras had to pass so that human beings would be able to outsing the birds and die for love. - Gabriel García Márquez