When I got into politics, it was a shock. People promise all sorts of things and then never deliver.

I've run for office, and I've stood on street corners, while people walked by me and didn't want to talk to me, and did not think I was a credible candidate. And then four years later, I was nearly elected mayor of San Francisco, so I know what it takes.

If you run for mayor, people say you're being egotistical. If you decide you won't run for mayor, people say you're being self-centered and egotistical.

When I got into politics, it was a shock. People promise all sorts of things and then never deliver.

Already renewable energy advocates are noting that the 42 miles of above-ground right-of-way between Yosemite and the city could be fitted with enough solar panels to generate at least 40 megawatts per year - a proposal the San Francisco Public Utilities Commission has never seriously considered because they currently aren’t required to do so.

If you are doing well, your business will pay more in tax; if you're not doing well, you pay less.

If you engage people honestly, and you're willing to do the leg work, people will respond to that.