The books that the world calls immoral are books that show the world its own shame. The Picture of Dorian Gray

Because we are the cause of our environmental problems, we are the ones in control of them, and we can choose or not choose to stop causing them and start solving them. The future is up for grabs, lying in our own hands. We don’t need new technologies to solve our problems; while new technologies can make some contribution, for the most part we "just" need the political will to apply solutions already available. Collapse: How Societies Choose to Fail or Succeed

First principle: one must need strength, otherwise one will never have it. Twilight of the Idols

"Real knowledge is to know the extent of one's ignorance." The Analects of Confucius