In a single sentence the moral is: admit that complexity always increases, first from the model you fit to the data, thence to the model you use to think about and plan about the experiment and its analysis, and thence to the true situation.

It's better to solve the right problem approximately than to solve the wrong problem exactly.

If we are going to make a mark (key 21), it might as well be a meaningful one.

Numerical quantities focus on expected values, graphical summaries on unexpected values.

In a single sentence the moral is: admit that complexity always increases, first from the model you fit to the data, thence to the model you use to think about and plan about the experiment and its analysis, and thence to the true situation.

When communicating results to non-technical types there is nothing better than a clear visualization to make your point.

The greatest value of a picture is when it forces us to notice what we never expected to see.