[Of the ether] it is no greater mystery at all events than the shoemakers' wax.

Questions of personal priority, however interesting they may be to the persons concerned, sink into insignificance in the prospect of any gain of deeper insight into the secrets of nature.

To measure is to know.

Symmetrical equations are good in their place, but ' vector ' is a useless survival, or offshoot from quaternions, and has never been of the slightest use to any creature.

The more thoroughly I conduct scientific research, the more I believe that science excludes atheism.

You know only insofar as you can measure.

Can you measure it? Can you express it in figures? Can you make a model of it? If not, your theory is apt to be based more upon imagination than upon knowledge.