The column's worked out great for me. I've gotten a ton of ego satisfaction, had a lot of fun, won a batch of prizes and occasionally done some public good.

What was a profitable business in one era can become a public utility and a recognized public good in the next.

If I can't do something for the public good, what the hell am I doing?

All through history, there have always been movements where business was not just about the accumulation of proceeds but also for the public good.

What is the role of a public intellectual in the age of Twitter and soundbites? Is it to share your thoughts for the public good, or is it to curate the heaps of hate emails, tweets, and right-wing articles that trash your intellectual and social work?

No man ever freely surrendered a portion of his own liberty for the sake of the public good; such a chimera appears only in fiction. If it were possible, we would each prefer that the pacts binding others did not bind us; every man sees himself as the centre of all the world's affairs.

If you believe that health care is a public good to be guaranteed by the state, then a single-payer system is the next best alternative. Unfortunately, it is fiscally unsustainable without rationing.

The whole, 'Is the Internet a good thing or a bad thing'? We're done with that. It's just a thing. How to maximise its civic value, its public good - that's the really big challenge.

Once money goes into a charity, it is tax exempt, so that's a benefit you get. And in return, you have to use the assets of the charity to serve the public good. So if Trump is using this money basically to save his businesses, the money isn't helping people. That's a violation of the letter and the spirit of law.