There's nothing wrong with a plan, but remember Von Moltke's famous dictum that no plan survives first contact with the enemy. The danger is a plan that seduces us into thinking failure is impossible and adaptation is unnecessary - a kind of ‘Titanic' plan, unsinkable (until it hits the iceberg).

How did the economy produce all these amazing things that we have around us - computers and cell phones and so on? There were a bunch of ideas, and the good ones grew and prospered. And the bad ones were pretty ruthlessly weeded out.

Love may be boundless and abundant, but time isn't. Time is finite.

We should not try to design a better world. We should make better feedback loops.

Loss aversion is a really disproportionate anxiety about stuff that doesn't matter very much. So for instance, if you lose $5, you feel really bad about the $5 you've lost. You're cursing yourself. You're going through it again and again. If, on the other hand, you find $5, you go - hey, great, five bucks. And you've forgotten about it really quickly.

There's lots and lots of guys out there. The question is trying to find the right one.

Economists have allowed themselves to walk into a trap where we say we can forecast, but no serious economist thinks we can. You don't expect dentists to be able to forecast how many teeth you'll have when you're 80. You expect them to give good advice and fix problems.