Missing a train is only painful if you run after it! Likewise, not matching the idea of success others expect from you is only painful if that’s what you are seeking.

Antifragility is beyond resilience or robustness. The resilient resists shocks and stays the same; the antifragile gets better.

If you are in banking and lending, surprise outcomes are likely to be negative for you.

Make sure that you are in a situation where the constant mistakes are small and can be used for something.

When an investor focuses on short-term investments, he or she is observing the variability of the portfolio, not the returns - in short, being fooled by randomness.

A good rule of thumb is as follows: If the numbers come from somebody wearing a tie (Wall Street economist or analyst, industry public relations department, captive think tank academic and so on), you ought to be very skeptical. By design messages from these people are intended to move markets, move merchandise and/or move public policy and are not a comment on the state of the physical universe.

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