Wittgenstein's ruler: Unless you have confidence in the ruler's reliability, if you use a ruler to measure a table you may also be using the table to… - Nassim Nicholas Taleb

Wittgenstein's ruler: Unless you have confidence in the ruler's reliability, if you use a ruler to measure a table you may also be using the table to measure the ruler.

The ONLY test of intelligence that counts is to see if the person detects Wittgenstein's ruler situations: 1) When you use a ruler to measure the table, you are also using the table to measure the ruler. 2) The more unexpected the measurement, the more you apply W's ruler.

Wittgenstein's ruler: "Unless you have confidence in the ruler's reliability, if you use a ruler to measure a table you may also be using the table to measure the ruler." (page 224)

We have far too many ways to interpret past events for our own good.

The opposite of success isn't failure; it is name dropping.

Fragility is the quality of things that are vulnerable to volatility.