Failure saves lives. In the airline industry, every time a plane crashes the probability of the next crash is lowered by that.

When we want to do something while unconsciously certain to fail, we seek advice so we can blame someone else for the failure.

Never ask a trader if he is profitable: you can easily see it in his gesture and gait.

We have this culture of financialization. People think they need to make money with their savings rather with their own business. So you end up with dentists who are more traders than dentists. A dentist should drill teeth and use whatever he does in the stock market for entertainment.

If you want to annoy a poet, explain his poetry.

Never trust a journalist unless she's your mother.

It might be useful to be able to predict war. But tension does not necessarily lead to war, but often to peace and to denouement.