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

Complexity creates confusion, simplicity focus.

You do not go out into the street in your underwear, although usually you are wearing underwear. The underwear is not visible but it is there all the time. It is the same with concepts. They are there. They underlie practical things we do- even when we are not conscious of them.

We may have a perfectly adequate way of doing something, but that does not mean there cannot be a better way. So we set out to find an alternative way. This is the basis of any improvement that is not fault correction or problem solving.

Child mortality since 2000 is down by 2.65 million a year. That's a rate of 7,256 children's lives saved each day. ... It drives me nuts that most people don't seem to know this news.

Creativity gives hope that there can be a worthwhile idea.

Lateral thinking is concerned not with playing with the existing pieces but with seeking to change those very pieces. It is concerned with the perception part of thinking. This is where we organise the external world into the pieces we can then 'process'.