Listening to your wife is intelligence

Science often progresses by carving out new distinctions that refine the fuzzy categories of natural language.

Death is known only through dying and truth is known only through diving deep within oneself.

When someone tells you something big, it's like you're taking money from them, and there's no way it will ever go back to being the way it was. You have to take responsibility for listening.

Dictators are actually very fearful themselves. Even when they're asleep, they're afraid that others will take their powers away.

A person has to show some spirit -- fate just about never shines on chickenshits.

There are a lot of questions that come out of the silence. It is so close to the infinite.

Some things are too important to be left to the private sector.

Eagles are very tolerant and very adaptable, but they have to get established first. When birds are setting up their breeding territory, they are the most susceptible to being discouraged.

I read books like mad, but I am careful to to let anything I read influence me.

[Wind energy] takes a very large footprint on the land, five to 10 times what you'd use for nuclear, and typically to get one gigawatt of electricity is on the order of 250 square miles of wind farm.