The world is too complex for subsumption under any general theory of change.

Human life is the result of a glorious evolutionary accident.

Odd arrangements and funny solutions are the proof of evolution - paths that a sensible God would never tread but that a natural process, constrained by history, follows perforce.

We cannot win this battle to save species and environments without forging an emotional bond between ourselves and nature as well - for we will not fight to save what we do not love.

'Creation science' has not entered the curriculum for a reason so simple and so basic that we often forget to mention it: because it is false, and because good teachers understand exactly why it is false.

The most erroneous stories are those we think we know best - and therefore never scrutinize or question.

The world is full of signals that we don't perceive.