Quotes by Author

I like the cold weather. It means you get work done.

If we don't believe in freedom of expression for people we despise, we don't believe in it at all.

If you're teaching today what you were teaching five years ago, either the field is dead or you are.

Language is a weapon of politicians, but language is a weapon in much of human affairs.

Optimism is a strategy for making a better future. Because unless you believe that the future can be better, you are unlikely to step up and take responsibility for making it so.

Our ignorance can be divided into problems and mysteries. When we face a problem, we may not know its solution, but we have insight, increasing knowledge, and an inkling of what we are looking for. When we face a mystery, however, we can only stare in wonder and bewilderment, not knowing what an explanation would even look like.

The Internet has compromised the quality of debate.

There are two problems for our species' survival - nuclear war and environmental catastrophe - and we're hurtling towards them. Knowingly.