I've made the most money with people who put their nose to the grindstone and don't talk about valuation. They talk about running business and growing it.

One of the most precious aspects of Glastonbury is specifically that we can't put our finger on it. It's evolved slowly over 50 years to become what it is today – we've tried things that have worked, some have not, and allowed it to evolve.

You can't be successful unless you're genuine as a human being and honest. The startups in our world that are really successful are both genuine and honest; they bring that pure level of passion to the table and they're very honest about the world around them.

The only way social media can work is if you are incredibly authentic. If you try and cultivate and curate too much it can be very obvious and transparent.

In my view, all the big existential risks are anthropogenic, arising out of human activity. More specifically, the biggest existential risks in this century arise out of anticipated future technological advances. Humanity has survived all kinds of natural hazards over a period of over one hundred thousand years; it seems unlikely, then, that any natural hazard would do us in within the next hundred.