Government Isn't That Good At Rapid Advancement

The Lessons Of History Would Suggest That Civilisations Move In Cycles. You Can Track That Back Quite Far - The Babylonians, The Sumerians, Followed By The Egyptians, The Romans, China. We're Obviously In A Very Upward Cycle Right Now And Hopefully That Remains The Case. But It May Not.

Facebook Is Quite Entrenched And Has A Network Effect. It's Hard To Break Into A Network Once It's Formed.

The Extension Of Life Beyond Earth Is The Most Important Thing We Can Do As A Species.

The Space Shuttle Was Often Used As An Example Of Why You Shouldn't Even Attempt To Make Something Reusable. But One Failed Experiment Does Not Invalidate The Greater Goal. If That Was The Case, We'd Never Have Had The Light Bulb.

Biofuels Such As Ethanol Require Enormous Amounts Of Cropland And End Up Displacing Either Food Crops Or Natural Wilderness, Neither Of Which Is Good.