Everyone now agrees that a physics lacking all connection with mathematics ... would only be an historical amusement, fitter for entertaining the idle than for occupying the mind of a philosopher.

A physicist shirking measurement plays, different from children only in the nature of his game and ... his toys.

The determination of the relationship and mutual dependence of the facts in particular cases must be the first goal of the Physicist; and for this purpose he requires that an exact measurement may be taken in an equally invariable manner anywhere in the world... Also, the history of electricity yields a well-known truth-that the physicist shirking measurement only plays, different from children only in the nature of his game and the construction of his toys.

Everyone now agrees that a physics lacking all connection with mathematics ... would only be an historical amusement, fitter for entertaining the idle than for occupying the mind of a philosopher.