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.

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

If one introduces the concept of energy of an earthquake then that is a theoretically derived quantity.

According to Democritus, truth lies at the bottom of a well, the water of which serves as a mirror in which objects may be reflected. I have heard, however, that some philosophers, in seeking for truth, to pay homage to her, have seen their own image and adored it instead.

Only fools, liars, and charlatans predict earthquakes

Refining is inevitable in science when you have made measurements of a phenomenon for a long period of time.

I was lucky because logarithmic plots are a device of the devil.