grist to the mill

Noun

 * 1) * 1999, Simon Blackburn, Think: A Compelling Introduction to Philosophy (Oxford University Press paperback, ISBN 0199690871, ch. 7 section 6: "Kant’s Revolution", pp. 258–259:
 * This might all seem grist to Berkeley’s mill. Berkeley himself knew that we interpret our experience in spatio-temporal, objective terms. But he thought we had to ‘speak with the vulgar but think with the learned’: in other words, learn to regard that interpretation as a kind of façon de parler, rather than the description of a real, independent, objective world.
 * 1) * 1999, Simon Blackburn, Think: A Compelling Introduction to Philosophy (Oxford University Press paperback, ISBN 0199690871, ch. 7 section 6: "Kant’s Revolution", pp. 258–259:
 * This might all seem grist to Berkeley’s mill. Berkeley himself knew that we interpret our experience in spatio-temporal, objective terms. But he thought we had to ‘speak with the vulgar but think with the learned’: in other words, learn to regard that interpretation as a kind of façon de parler, rather than the description of a real, independent, objective world.

Usage notes

 * Often found in the expression it's all grist to the mill and variations thereof.