写作是一种不被干扰的说话方式。

The only thing we can know is that we know nothing and that is the highest flight of human wisdom.

A miner's safety should never be measured in cost-benefit analyses.

Sustainability in agriculture isn't an option—it's a necessity for survival.

The number one benefit of information technology is that it empowers people to do what they want to do. It lets people be creative. It lets people be productive. It lets people learn things they didn't think they could learn before, and so in a sense it is all about potential.