Once you get to earth orbit, you're halfway to anywhere in the solar system.

There ain't no such thing as a free lunch." A Libertarian Movement slogan - The Moon Is a Harsh Mistress, 1907.

To stay young requires unceasing cultivation of the ability to unlearn old falsehoods.

No woman ever ages beyond eighteen in her heart.

Being privileged to work hard for long hours at something you think is worth doing is the best kind of play.

The less respect an older person deserves the more certain he is to demand it from anyone younger.

Civilians are like beans; you buy 'em as needed for any job which merely requires skill and savvy. But you can't buy fighting spirit.