Grist

All's grist that comes to his mill.

Tycho's painstakingly collected data was reduced by Kepler to become grist for the mill that ground out Newton's gravitational theory.

It's all grist for its magic mill.

This is grist to his mill.

It's grist to his mill.

It's all grist to his mill.

How to add a primary key in Grist?

That it will, however, cause the subscribers to wish, in their minds, for many oaths to fly about, which is a heinous crime, and to lay stratagems to try the patience of men of all sorts; to put them upon the swearing strain, in order to bring grist to their own mill, which is a crime still more enormous; and that therefore, for fear of these evil consequences, the passing of such an act is not consistent with the really extraordinary and tender conscience of a true modern politician.

Ancient nomads, wishing to ward off the evening chill and enjoy a meal around a campfire, had to collect wood and then spend time and effort coaxing the heat of friction out from between sticks to kindle a flame. With more settled people, animals were harnessed to capstans or caged in treadmills to turn grist into meal.

Matter, as wise logicians say, / Cannot without a form subsist; / And form, say I, as well as they, / Must fail if matter brings no grist.