Intelligence takes chances with limited data in an arena where mistakes are not only possible but also necessary.

Something cannot emerge from nothing.

The scarce water of Dune is an exact analog of oil scarcity. CHOAM is OPEC.

Parting with friends is a sadness. A place is only a place.

Every judgment teeters on the brink of error. To claim absolute knowledge is to become monstrous. Knowledge is an unending adventure at the edge of uncertainty.

The basic lesson of our relativistic universe is that things change. Any power must always meet a greater power.

Governments can be useful to the governed only so long as inherent tendencies toward tyranny are restrained.