An ad hominem attack against an individual, not against an idea, is highly flattering. It indicates that the person does not have anything intelligent to say about your message.

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.

When you beat up someone physically, you get excercise and stress relief; when you assault him verbally on the Internet, you just harm yourself.

Remember that you are a Black Swan.

There are secrets to our world that only practice can reveal, and no opinion or analysis will ever capture in full.

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

I remind myself of Einstein's remark that common sense is nothing but a collection of misconceptions acquired by age 18.