Just because you see pictures of glaciers falling into the ocean doesn't mean anything bad is happening. This is something that happens all the time. It's part of the natural cycle of things. We know from measurements that glaciers have been melting for 200 years at least.

Technology without morality is barbarous; morality without technology is impotent.

People who travel in China tell me that the mood there is still very upbeat, because their media is different from our media. Chinese media emphasize how well things are going and suppress the bad news and publish the good news.

We should try to introduce our children to science today as a rebellion against poverty and ugliness and militarism and economic injustice.

The idea that global warming is the most important problem facing the world is total nonsense and is doing a lot of harm.

Many of the technologies that are now racing ahead most rapidly, replacing human workers in factories and offices with machines, making stockholders richer and workers poorer, are indeed tending to accentuate the existing inequalities in the distribution of wealth.

Life is nature's way to give mind oportunities it wouldn't otherwise had.