The human species really could have faced global thermonuclear war. During seventy years of Cold War we grew used to it.

We should not have assumed that a political space station could be built.

Fear is the brother of hate.

Building one space station for everyone was and is insane: we should have built a dozen.

The witnessing of titanic events is always dangerous, usually painful, and often fatal.

Treat your life like something to be sculpted.

Never fire a laser at a mirror.