Death Is The Lot Of Us All,

A Fool Cannot Be Protected From His Folly. If You Attempt To Do So, You Will Not Only Arouse His Animosity But Also You Will Be Attempting To Deprive Him Of Whatever Benefit He Is Capable Of Deriving From Experience. Never Attempt To Teach A Pig To Sing; It Wastes Your Time And Annoys The Pig.

Never Underestimate The Power Of Human Stupidity.

...revolutions Are Not Won By Enlisting The Masses. Revolution Is A Science For The Few Who Are Competent To Practice It. It Depends On Correct Organisation And Above All, On Communications.

Reason Is Poor Propaganda When Opposed By The Yammering, Unceasing Lies Of Shrewd And Evil And Self-serving Men.

It May Take Endless Wars And Unbearable Population Pressure To Force-feed A Technology To The Point Where It Can Cope With Space. In The Universe, Space Travel May Be The Normal Birth Pangs Of An Otherwise Dying Race. A Test. Some Races Pass, Some Fail.