When in doubt, don't.

Any society that could come here could pick up the lights from New York. What should we do about that? Should we darken New York from now until the last human expires? Would we want to turn off all the radars at JFK airport?

We have no more right to consume happiness without producing it than to consume wealth without producing it.

Necessity is the mother of taking chances.

They must often change, who would be constant in happiness or wisdom.