Don't wait for extraordinary circumstance to do good; try to use ordinary situations.

Lately there have been complaints that the use of the magnitude scale is confusing, or at least the reporting of magnitudes in the newspapers 'confuses the public.

We would have been happy if we could have assigned just three categories, large, medium, and small; the point is, we wanted to avoid personal judgments. It actually turned out to be quite a finely tuned scale.

Nothing is less predictable than the development of an active scientific field.

Logarithmic plots are a device of the devil.

I'm glad to see the press now referring to the open-ended Richter scale.