The reward is not always measurable by the number of copies sold; that simply measures the extent of his public.

We find further illustration of this law when we examine people as they read, for they involuntarily accompany the reading with movements of speech, measurable in the muscles of the throat, the tongue and the lips.

But loveliness of colour, perfectness of form, endlessness of change, wonderfulness of structure, are precious to all undiseased human minds; and the superiority of the mountains in all these things to the lowland is, I repeat, as measurable as the richness of a painted window matched with a white one, or the wealth of a museum compared with that of a simply furnished chamber.

Time was not measurable under such circumstances, but she fancied noon must have more than passed, when the voice that had before spoken said, "We halt in a moment, and shift you to another horse, madam; but again I forewarn you that our comrades here have no ears for you, and that cries and struggles will only make it the worse for you."

A ray of light, travelling with a velocity so great as to be scarcely measurable within the diameter of the earth's orbit, takes years to reach even the nearest star, centuries to reach those more distant.