Rules matter, and to be rules they need to be universal in form: always do this, never do that. But it is foolish to rule out in advance the possibility that an occasion might arise when normal rules just don't apply. Rules are not there to be broken, but sometimes break them we must.

Economics is uncertain because its fundamental subject matter is not money but human action. That's why economics is not the dismal science, it's no science at all.

There is such a thing as fanaticism, it is always wrong, and if you disagree, you're wrong too.

To become a stoic is to endorse the truthfulness of its world view and accept its prescription for how you ought to live, not just to like how it makes you feel.

If there is an art of living, it is not something that can be taught timelessly. We have lessons to learn from Aristotle et al, for sure, but not if we simply uproot them from their epoch and stamp them into 21st-century soil.

Philosophy is at its most engaged when it is impure. What is being recovered from the Ancient Greek model is not some lost idea of philosophy's pure essence, but the idea that philosophy is mixed up with everything else.

Being virtuous is wonderful thing, but feeling virtuous is a shortcut to vice.