The Attempt To Make Heaven

No Particular Theory May Ever Be Regarded As Absolutely Certain.... No Scientific Theory Is Sacrosanct.

No Book Can Ever Be Finished. While Working On It We Learn Just Enough To Find It Immature The Moment We Turn Away From It

No Matter How Many Instances Of White Swans We May Have Observed, This Does Not Justify The Conclusion That All Swans Are White.

The Method Of Science Depends On Our Attempts To Describe The World With Simple Theories: Theories That Are Complex May Become Untestable, Even If They Happen To Be True. Science May Be Described As The Art Of Systematic Over-simplification-the Art Of Discerning What We May With Advantage Omit.

Ignorance Is Not A Simple Lack Of Knowledge But An Active Aversion To Knowledge, The Refusal To Know, Issuing From Cowardice, Pride, Or Laziness Of Mind.