Well, capitalism is a big problem, because with capitalism you're just going to keep buying and selling things until there's nothing else to buy and sell, which means gobbling up the planet.
What the mind doesn't understand, it worships or fears.
I have never felt that the one thing that I am 'known for' is what I am.
You know, one race will not be a survivor if the other one dies, and that's something that we should think about.
Expect nothing. Live frugally on surprise.
I'm the most stubborn person I know.