Eagles come in all shapes and sizes, but you will recognize them chiefly by their attitudes.
Infinite growth of material consumption in a finite world is an impossibility.
You can either read something many times in order to be assured that you got it all, or else you can define your purpose and use techniques which will assure that you have met it and gotten what you need.
An attitude to life which seeks fulfillment in the single-minded pursuit of wealth - in short, materialism - does not fit into this world, because it contains within itself no limiting principle, while the environment in which it is placed is strictly limited.
Many people love in themselves what they hate in others.