“D’you know what homeostasis is?” “I used to, before I rotted my brain with politics.” — Charles Sheffield

I’d make a case for saying anything that propagates itself in an intentional way qualifies to be thought of as alive.

It is not clear to me whether the insouciance of youth will be the doom of humanity or its salvation. I prefer to think the latter, but I have my doubts.

The limits we assign to Nature sometimes define our own lack of imagination.