Truly successful decision-making relies on a balance between deliberate and instinctive thinking.

Sometimes the most modest changes can bring about enormous effects.

Change your mind about something significant every day.

I'm necessarily parasitic in a way. I have done well as a parasite. But I'm still a parasite.

People can't do much about the fate part, but we can certainly do a lot about the man part.

Those three things - autonomy, complexity, and a connection between effort and reward - are, most people will agree, the three qualities that work has to have if it is to be satisfying.

Do I think that American democracy ends if Trump is president? No! I think, there are plenty of checks and balances in place. I think he would do some damage to the country but we would recover. The office of the presidency and American democratic institutions are a lot stronger than one person. So if he wins, our job is just to keep the office strong, right? And hope he'll be replaced by something better!