James Lovelock

We have . . . defined Gaia as a complex entity involving the Earth’s biosphere, atmosphere, oceans, and soil: the totality constituting a feedback or cybernetic system which seeks an optimal physical and chemical environment for life on this planet.

There are people who make things happen, there are people who watch things happen, and there are people who wonder what happened. To be successful, you need to be a person who makes things happen.

Houston, we’ve had a problem.