Most creatures run when they sense danger. People grab a six-pack and a folding chair.

To me, Mother Nature isn't nearly as scary as human nature.

Humanity is a cage, and our puritanical sensibilities comprise the bars. We are confined by our own reason and intellect, and yet most of us don't even know it.

...there was a difference between killing for nourishment and killing for curiosity or sport.

Look at 'em,' he said. 'Goddam fools.' 'Who?' said Ginnie. 'I don't know. Anybody.

They have achieved a level of organization far beyond others of their species. Unfortunately, it is being used for destructive purposes at the moment. Don't look so surprised my dear, it's in the nature of the beast.'
'But these squirrels are not beasts!' Amber protested.
'Oh pish-posh, we are all of us beasts,' the professor replied lightly. 'The trouble comes when we try to pretend that we're not.