1. Never bar the path of inquiry
2. All affirmation is negation
3. No entity without identity
4. Nothing is without a reason
5. Nothing comes from nothing
6. A chain is no stronger than its weakest link
7. Opt for the least unacceptable alternative
8. The impossible is never to be required
9. It is absurd to demand what cannot be had
10. Never explain what is obscure by something yet more so