A Measure Of Madness
“All living things contain a measure of madness that moves them in strange, sometimes inexplicable ways. This madness can be saving; it is part and parcel of the ability to adapt. Without it, no species would survive.” ―Yann Martel
And The Moon Sees All 
what a quote! Makes you wonder about the “ranking” of our species…
I’m lucky that I’m able to find some really fantastic, thought provoking ones. This one is particular is from the book Life of Pi.