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

Creativity and lateral thinking have exactly the same basis as humour.

Most people...are put off science because maths is the gateway and they can't handle it. What we should be teaching is operational maths because, in general, the maths we need to carry out science is pretty straightforward.

To develop thinking as a skill, it should be deliberate, focused, confident, and enjoyable.

The awful thing is that you can never be aware of what you are not aware of.

Complexity means distracted effort. Simplicity means focused effort.

You cannot look in a new direction by looking harder in the same direction.