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A batch of the best highlights from what Fabien's read, .

First, competencies are impossible to measure. Take “strategic thinking” as an example. Is this a state, something that is variable and subject to flux? Or is it a trait, something that is inherent and relatively stable over time? In the field of psychometrics we measure these two phenomena quite differently.

Nine Lies About Work

Marcus Buckingham, Ashley Goodall

My painful mistakes shifted me from having a perspective of “I know I’m right” to having one of “How do I know I’m right?” They gave me the humility I needed to balance my audacity.

Principles

Ray Dalio

pioneers such as Galen of Pergamon (second century AD) propagated treatments like bloodletting and the use of mercury as an elixir. These treatments were devised with the best of intentions, and in line with the best knowledge available at the time. But many were ineffective, and some highly damaging. Bloodletting, in particular, weakened patients when they were at their most vulnerable. The doctors didn’t know this for a simple but profound reason: they never subjected the treatment to a proper test – and so they never detected failure. If a patient recovered, the doctor would say: ‘Bloodletting cured him!’ And if a patient died, the doctor would say: ‘He must have been very ill indeed because not even the wonder cure of bloodletting was able to save him!’

Black Box Thinking

Matthew Syed

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