As areas of knowledge grow, so too do the perimeters of ignorance.

The press still thinks [global warming] is controversial. So they find the 1% of the scientists and put them up as if they're 50% of the research results. You in the public would have no idea that this is basically a done deal and that we're on to other problems, because the journalists are trying to give it a 50/50 story. It's not a 50/50 story. It's not. Period.

Never presume that just because you disagree with an idea that you must be correct.

One should not be too distracted by definitions. Ideas transcend definitions.

WhenIWasYourAge: We had to open all doors by ourselves. None of them knew we were coming.

When I shop for fruit & melons I like to hold a grape next to a cantaloupe & think of Earth next to Jupiter. Then I eat Earth.

Politics will take whatever shape it needs for people to get elected. But at the end of the day, the population remains and that's really, as an educator, who I care about.