"What it is you identify with begins to shift. When you go around the Earth in an hour and a half, you begin to recognise that your identity is with that whole thing."

"Derby described the incredible artificial weather that Earthlings sometimes create for other Earthlings when they don't want those other Earthlings to inhabit Earth any more."

"Most things that we and the people around us do constantly... have come to seem so natural and inevitable that merely to pose the question, 'Why are we doing this?' can strike us as perplexing – and a…"

"Now certainly, one could almost preach a sermon from either of these groups. This evening I want to deal mainly with the second group: those individuals that chose the line of least resistance, those …"

"All the great and beneficent operations of Nature are produced by slow and often imperceptible degrees. The work of destruction and devastation only is violent and rapid."