By consciously and regularly going into the cold- I've learned how to tap into this primordial part of the brain; an area we've lost access to because of our destimulative behaviour. We need to get out into the cold, into the heat, and allow our brain to reconnect to these lost areas.

We all inhabit distinctive inner universes. We all see and experience the world in a slightly different way. There are some extremely viral examples such as the dress which people perceived as being different colours – these things go viral and get popular because they reveal something that is essentially true but often hidden- that people can be exposed to the same image or be in the same place and be having very different experiences.

China realises that he who owns the brand, owns the wealth… For nations, brands give economic control, security and choice and are therefore extremely important.

I believe the traditional perception, which posits that success is merely an accumulation of advantages while failure is an accumulation of disadvantages, is overly simplistic. It's the disadvantages that offer a more fertile ground for learning, albeit for a smaller cohort. The depth of learning and engagement derived from tackling difficulties is substantially richer compared to that gleaned from facing advantages.

Truth is an aspiration which none of us can ever know that we have attained. Nobody has a pipeline to the truth; nobody is imbued with divine revelation. We seek truth through institutions like science, journalism, governance, justice systems and record keeping. These are the bodies that make us collectively more suited to attain the truth.

I've never gone into a startup thinking, 'oh hey, I'm going to disrupt an industry….' I go in trying to solve a problem, and if you can effectively solve a problem, you might end up disrupting a whole industry.

So much of silence is about perpetuating the status quo, reinforcing what someone or dominant groups within an entity or organization have deemed appropriate, good, polite. Being different inherently exposes you to vulnerability; you're pushing against everything that the forces of mimicry urge you to do, which is to conform. Yet, we also recognize that innovation is impossible without differing opinions.

There are various forms of hostage-taking, each with distinct characteristics. Broadly speaking, one can categorise them into political and criminal hostage-takings. Political hostage-taking involves abducting someone to gain a political leverage—this is the first type. The second type is criminal hostage-taking, where the motive is ransom.

One of the psychological effects of that is it can blur the boundaries between self and group and create this feeling that you are the group, and the group is you. And this obviously has the capacity to promote quite strong forms of pro-group action.

I don't really like the term entrepreneur because I think to some it implies that you start businesses for the sake of starting businesses. My view is this. If there's something you want to see in the world that doesn't exist, go build that thing. If that means you have to build a company? so be it.

I would love to say that we knew all the answers in advance, but the truth is that we discovered our product and opportunity, rather than planning for it. We started a company to build a massively multiplayer game, and in the process, it very quickly became apparent to us what the utility of Slack was as we used a prototype to collaborate internally.

Before we came to market, everything in retail was about how cheaply you could pay your employees- and unfortunately, particularly women. There was an attitude in retail that said, '... well, your female employees are just going to get married, have children at 23 and leave, so why invest in them?' The reality of the world was that 60% of university graduates were women- and most women were having children later, entering professional careers.