As seismologists gained more experience from earthquake records, it became obvious that the problem could not be reduced to a single peak acceleration. In fact, a full frequency of vibrations occurs.

In every area of the world where there is earthquake risk, there are still many buildings of this type; it is very frustrating to try to get rid of them.

It is a common remark that men talk most who think least; just as frogs cease their quacking when a light is brought to the water-side.

There is nothing more beautiful than cheerfulness in an old face, and among country people it is always a sign of a well-regulated life.

Only fools, liars, and charlatans predict earthquakes

The laboratory routine, which involves a great deal of measurement, filing, and tabulation, is either my lifeline or my chief handicap, I hardly know which.

The rose does not bloom without thorns. True, but would that the thorns did not outlive the rose.