Once A Man Gets A Reputation As

Expertise In One Field Does Not Carry Over Into Other Fields. But Experts Often Think So. The Narrower Their Field Of Knowledge The More Likely They Are To Think So.

The Basic Of All Morality Is Duty, A Concept With The Same Relation To Group That Self-interest Has To Individual.

Do-gooding Is Like Treating Hemophilia - The Real Cure Is To Let Hemophiliacs Bleed To Death...before They Breed More Hemophiliacs.

Each Man Is His Own Prisoner, In Solitary Confinement For Life.

Remember This: Once The Human Race Is Established On More Than One Planet And Especially, In More Than One Solar System, There Is No Way Now Imaginable To Kill Off The Human Race.