Mutation. It is the key to our evolution. It is how we have evolved from a single-cell organism into the dominant species on the planet. This process is slow, normally taking thousands and thousands of years. But every few millennia evolution leaps forward.
Jane Eyre (2011)
"I see at intervals the glance of a curious sort of bird through the close-set bars of a cage: a vivid, restless, resolute captive is there; were it but free, it would soar cloud-high."
The Simple Life (2003)
"We have nothing, no money, no credit cards, all we have to offer is ourselves. "