Most people do not listen with the intent to understand, they listen with the intent to reply.

This is a four thousand dollar sofa upholstered in Italian silk. It is not just a couch.

As a language, R is like French; it has an elegant core, but every rule comes with a set of ad-hoc exceptions that directly contradict it.

The only real difficulties in programming are cache invalidation and naming things.

Trust me, I know what I’m doing.