You Cannot Do Only One Thing.

A Finite World Can Support Only A Finite Population; Therefore, Population Growth Must Eventually Equal Zero.

The Only Thing We Can Really Count On In This Uncertain World Is Human Unreliability Itself.

Ecological Differentiation Is The Necessary Condition For Coexistence.

The Greatest Folly Is To Accept Expert Statements Uncritically. At The Very Least, We Should Always Seek Another Opinion.

Education Can Counteract The Natural Tendency To Do The Wrong Thing, But The Inexorable Succession Of Generations Requires That The Basis For This Knowledge Be Constantly Refreshed.