This quote by Nassim Nicholas Taleb essentially criticizes the bonus system in banking and finance, arguing that it introduces fragility into the financial system. The term “fragilizes” refers to the process of making something more fragile, more susceptible to shocks or disruptions. Taleb is saying that the bonus system, where bankers are rewarded with extra pay for their performance, can lead to risky behaviors that make the entire financial system more unstable.

The second part of the quote, “Someone has the upside at the expense of others,” refers to the idea that the benefits of these risky behaviors are enjoyed by a few (the bankers receiving the bonuses), while the costs are borne by many (the rest of society). This is because when risky bets go wrong, they can have widespread negative effects on the economy, leading to situations like the 2008 financial crisis.

Applying this idea to today’s world, one could argue that any system that rewards risk-taking without adequate safeguards can lead to similar problems. This could apply not only to finance but also to areas like technology, where companies often prioritize rapid growth over security or ethical concerns.

In terms of personal development, this quote could be a reminder of the dangers of prioritizing short-term gains over long-term stability. It might suggest that we should be wary of situations where we stand to benefit at the expense of others, as this may lead to instability and potential harm in the long run. It could also be a call to consider the wider impact of our actions, and to strive for success in a way that benefits rather than harms the broader community.