' One of the things that amazes me is that the Himalayas — which people think of as the paradigm of the stable — are still moving up one millimeter a year because India is still clashing with Central Asia. They're a ripple in the surface of the Earth. We cannot conceive of a clash that would last millions of years — our time frame is too limited. Imagine an observer with a time-scale so large that he could see this clash. He wouldn't even see us. Species to him would seem like vast amounts of bio-mass in constant change. He would see evolution. Everything that matters to evolution happens across millennia. That observer would see species mutating and flowing. He would probably worship flows — unlike us, who, because of our very, very tiny time-scale of observation, tend to worship rocks. '