Happiness is for those who don't really need it. So I can live without happiness.

Analysis is simplifying, breaking down things into parts, picking out strands and elements. Analysis is comparing unknown things with things that are known. Analysis also involves picking out relationships and putting them back together as a whole.

A good listener is very nearly as attractive as a good talker. You cannot have a beautiful mind if you do not know how to listen.

A question is a polite way of demanding something.

The purpose of science is not to analyze or describe but to make useful models of the world. A model is useful if it allows us to get use out of it.

What the joke displays is a switch in perception. This is important in changing the way we think.

A good design is not a democratic consensus.